Given the Number 207,900, Calculate (Find) All the Factors (All the Divisors) of the Number 207,900 (the Proper, the Improper and the Prime Factors)

All the factors (divisors) of the number 207,900

1. Carry out the prime factorization of the number 207,900:

The prime factorization of a number: finding the prime numbers that multiply together to make that number.


207,900 = 22 × 33 × 52 × 7 × 11
207,900 is not a prime number but a composite one.


* Prime number: a natural number that is divisible (divided evenly) only by 1 and itself. A prime number has exactly two factors: 1 and the number itself.
* Composite number: a natural number that has at least one other factor than 1 and itself.


2. Multiply the prime factors of the number 207,900

Multiply the prime factors involved in the prime factorization of the number in all their unique combinations, that give different results.


Also consider the exponents of these prime factors.

Also add 1 to the list of factors (divisors). All the numbers are divisible by 1.


All the factors (divisors) are listed below - in ascending order

The list of factors (divisors):

neither prime nor composite = 1
prime factor = 2
prime factor = 3
22 = 4
prime factor = 5
2 × 3 = 6
prime factor = 7
32 = 9
2 × 5 = 10
prime factor = 11
22 × 3 = 12
2 × 7 = 14
3 × 5 = 15
2 × 32 = 18
22 × 5 = 20
3 × 7 = 21
2 × 11 = 22
52 = 25
33 = 27
22 × 7 = 28
2 × 3 × 5 = 30
3 × 11 = 33
5 × 7 = 35
22 × 32 = 36
2 × 3 × 7 = 42
22 × 11 = 44
32 × 5 = 45
2 × 52 = 50
2 × 33 = 54
5 × 11 = 55
22 × 3 × 5 = 60
32 × 7 = 63
2 × 3 × 11 = 66
2 × 5 × 7 = 70
3 × 52 = 75
7 × 11 = 77
22 × 3 × 7 = 84
2 × 32 × 5 = 90
32 × 11 = 99
22 × 52 = 100
3 × 5 × 7 = 105
22 × 33 = 108
2 × 5 × 11 = 110
2 × 32 × 7 = 126
22 × 3 × 11 = 132
33 × 5 = 135
22 × 5 × 7 = 140
2 × 3 × 52 = 150
2 × 7 × 11 = 154
3 × 5 × 11 = 165
52 × 7 = 175
22 × 32 × 5 = 180
33 × 7 = 189
2 × 32 × 11 = 198
2 × 3 × 5 × 7 = 210
22 × 5 × 11 = 220
32 × 52 = 225
3 × 7 × 11 = 231
22 × 32 × 7 = 252
2 × 33 × 5 = 270
52 × 11 = 275
33 × 11 = 297
22 × 3 × 52 = 300
22 × 7 × 11 = 308
32 × 5 × 7 = 315
2 × 3 × 5 × 11 = 330
2 × 52 × 7 = 350
2 × 33 × 7 = 378
5 × 7 × 11 = 385
22 × 32 × 11 = 396
22 × 3 × 5 × 7 = 420
2 × 32 × 52 = 450
This list continues below...

... This list continues from above
2 × 3 × 7 × 11 = 462
32 × 5 × 11 = 495
3 × 52 × 7 = 525
22 × 33 × 5 = 540
2 × 52 × 11 = 550
2 × 33 × 11 = 594
2 × 32 × 5 × 7 = 630
22 × 3 × 5 × 11 = 660
33 × 52 = 675
32 × 7 × 11 = 693
22 × 52 × 7 = 700
22 × 33 × 7 = 756
2 × 5 × 7 × 11 = 770
3 × 52 × 11 = 825
22 × 32 × 52 = 900
22 × 3 × 7 × 11 = 924
33 × 5 × 7 = 945
2 × 32 × 5 × 11 = 990
2 × 3 × 52 × 7 = 1,050
22 × 52 × 11 = 1,100
3 × 5 × 7 × 11 = 1,155
22 × 33 × 11 = 1,188
22 × 32 × 5 × 7 = 1,260
2 × 33 × 52 = 1,350
2 × 32 × 7 × 11 = 1,386
33 × 5 × 11 = 1,485
22 × 5 × 7 × 11 = 1,540
32 × 52 × 7 = 1,575
2 × 3 × 52 × 11 = 1,650
2 × 33 × 5 × 7 = 1,890
52 × 7 × 11 = 1,925
22 × 32 × 5 × 11 = 1,980
33 × 7 × 11 = 2,079
22 × 3 × 52 × 7 = 2,100
2 × 3 × 5 × 7 × 11 = 2,310
32 × 52 × 11 = 2,475
22 × 33 × 52 = 2,700
22 × 32 × 7 × 11 = 2,772
2 × 33 × 5 × 11 = 2,970
2 × 32 × 52 × 7 = 3,150
22 × 3 × 52 × 11 = 3,300
32 × 5 × 7 × 11 = 3,465
22 × 33 × 5 × 7 = 3,780
2 × 52 × 7 × 11 = 3,850
2 × 33 × 7 × 11 = 4,158
22 × 3 × 5 × 7 × 11 = 4,620
33 × 52 × 7 = 4,725
2 × 32 × 52 × 11 = 4,950
3 × 52 × 7 × 11 = 5,775
22 × 33 × 5 × 11 = 5,940
22 × 32 × 52 × 7 = 6,300
2 × 32 × 5 × 7 × 11 = 6,930
33 × 52 × 11 = 7,425
22 × 52 × 7 × 11 = 7,700
22 × 33 × 7 × 11 = 8,316
2 × 33 × 52 × 7 = 9,450
22 × 32 × 52 × 11 = 9,900
33 × 5 × 7 × 11 = 10,395
2 × 3 × 52 × 7 × 11 = 11,550
22 × 32 × 5 × 7 × 11 = 13,860
2 × 33 × 52 × 11 = 14,850
32 × 52 × 7 × 11 = 17,325
22 × 33 × 52 × 7 = 18,900
2 × 33 × 5 × 7 × 11 = 20,790
22 × 3 × 52 × 7 × 11 = 23,100
22 × 33 × 52 × 11 = 29,700
2 × 32 × 52 × 7 × 11 = 34,650
22 × 33 × 5 × 7 × 11 = 41,580
33 × 52 × 7 × 11 = 51,975
22 × 32 × 52 × 7 × 11 = 69,300
2 × 33 × 52 × 7 × 11 = 103,950
22 × 33 × 52 × 7 × 11 = 207,900

The final answer:
(scroll down)

207,900 has 144 factors (divisors):
1; 2; 3; 4; 5; 6; 7; 9; 10; 11; 12; 14; 15; 18; 20; 21; 22; 25; 27; 28; 30; 33; 35; 36; 42; 44; 45; 50; 54; 55; 60; 63; 66; 70; 75; 77; 84; 90; 99; 100; 105; 108; 110; 126; 132; 135; 140; 150; 154; 165; 175; 180; 189; 198; 210; 220; 225; 231; 252; 270; 275; 297; 300; 308; 315; 330; 350; 378; 385; 396; 420; 450; 462; 495; 525; 540; 550; 594; 630; 660; 675; 693; 700; 756; 770; 825; 900; 924; 945; 990; 1,050; 1,100; 1,155; 1,188; 1,260; 1,350; 1,386; 1,485; 1,540; 1,575; 1,650; 1,890; 1,925; 1,980; 2,079; 2,100; 2,310; 2,475; 2,700; 2,772; 2,970; 3,150; 3,300; 3,465; 3,780; 3,850; 4,158; 4,620; 4,725; 4,950; 5,775; 5,940; 6,300; 6,930; 7,425; 7,700; 8,316; 9,450; 9,900; 10,395; 11,550; 13,860; 14,850; 17,325; 18,900; 20,790; 23,100; 29,700; 34,650; 41,580; 51,975; 69,300; 103,950 and 207,900
out of which 5 prime factors: 2; 3; 5; 7 and 11
207,900 and 1 are sometimes called improper factors, the others are called proper factors (proper divisors).

A quick way to find the factors (the divisors) of a number is to break it down into prime factors.


Then multiply the prime factors and their exponents, if any, in all their different combinations.


Calculate all the divisors (factors) of the given numbers

How to calculate (find) all the factors (divisors) of a number:

Break down the number into prime factors. Then multiply its prime factors in all their unique combinations, that give different results.

To calculate the common factors of two numbers:

The common factors (divisors) of two numbers are all the factors of the greatest common factor, gcf.

Calculate the greatest (highest) common factor (divisor) of the two numbers, gcf (hcf, gcd).

Break down the GCF into prime factors. Then multiply its prime factors in all their unique combinations, that give different results.

The latest 10 sets of calculated factors (divisors): of one number or the common factors of two numbers

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The list of all the calculated factors (divisors) of one or two numbers

Factors (divisors), common factors (common divisors), the greatest common factor, GCF (also called the greatest common divisor, GCD, or the highest common factor, HCF)

  • If the number "t" is a factor (divisor) of the number "a" then in the prime factorization of "t" we will only encounter prime factors that also occur in the prime factorization of "a".
  • If there are exponents involved, the maximum value of an exponent for any base of a power that is found in the prime factorization of "t" (powers, or multiplicities) is at most equal to the exponent of the same base that is involved in the prime factorization of "a".
  • Hint: 23 = 2 × 2 × 2 = 8. 2 is called the base and 3 is the exponent. 23 is the power and 8 is the value of the power. We sometimes say that the number 2 is raised to the power of 3.
  • For example, 12 is a factor (divisor) of 120 - the remainder is zero when dividing 120 by 12.
  • Let's look at the prime factorization of both numbers and notice the bases and the exponents that occur in the prime factorization of both numbers:
  • 12 = 2 × 2 × 3 = 22 × 3
  • 120 = 2 × 2 × 2 × 3 × 5 = 23 × 3 × 5
  • 120 contains all the prime factors of 12, and all its bases' exponents are higher than those of 12.
  • If "t" is a common factor (divisor) of "a" and "b", then the prime factorization of "t" contains only the common prime factors involved in the prime factorizations of both "a" and "b".
  • If there are exponents involved, the maximum value of an exponent for any base of a power that is found in the prime factorization of "t" is at most equal to the minimum of the exponents of the same base that is involved in the prime factorization of both "a" and "b".
  • For example, 12 is the common factor of 48 and 360.
  • The remainder is zero when dividing either 48 or 360 by 12.
  • Here there are the prime factorizations of the three numbers, 12, 48 and 360:
  • 12 = 22 × 3
  • 48 = 24 × 3
  • 360 = 23 × 32 × 5
  • Please note that 48 and 360 have more factors (divisors): 2, 3, 4, 6, 8, 12, 24. Among them, 24 is the greatest common factor, GCF (or the greatest common divisor, GCD, or the highest common factor, HCF) of 48 and 360.
  • The greatest common factor, GCF, of two numbers, "a" and "b", is the product of all the common prime factors involved in the prime factorizations of both "a" and "b", taken by the lowest exponents.
  • Based on this rule it is calculated the greatest common factor, GCF, (or the greatest common divisor GCD, HCF) of several numbers, as shown in the example below...
  • GCF, GCD (1,260; 3,024; 5,544) = ?
  • 1,260 = 22 × 32
  • 3,024 = 24 × 32 × 7
  • 5,544 = 23 × 32 × 7 × 11
  • The common prime factors are:
  • 2 - its lowest exponent (multiplicity) is: min.(2; 3; 4) = 2
  • 3 - its lowest exponent (multiplicity) is: min.(2; 2; 2) = 2
  • GCF, GCD (1,260; 3,024; 5,544) = 22 × 32 = 252
  • Coprime numbers:
  • If two numbers "a" and "b" have no other common factors (divisors) than 1, gfc, gcd, hcf (a; b) = 1, then the numbers "a" and "b" are called coprime (or relatively prime).
  • Factors of the GCF
  • If "a" and "b" are not coprime, then every common factor (divisor) of "a" and "b" is a also a factor (divisor) of the greatest common factor, GCF (greatest common divisor, GCD, highest common factor, HCF) of "a" and "b".