Are 252 and 3,004 coprime (prime to each other, relatively prime)?
252 and 3,004 are not relatively prime - if there is at least one number other than 1 that evenly divides the two numbers (without a remainder) - or, in other words - if their greatest (highest) common factor (divisor), gcf (hcf, gcd), is not 1.
Calculate the greatest (highest) common factor (divisor), gcf (hcf, gcd), of the numbers
Method 1. The prime factorization:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
252 = 22 × 32 × 7
252 is not a prime number, is a composite one.
3,004 = 22 × 751
3,004 is not a prime number, is a composite one.
The numbers that are only divisible by 1 and themselves are called prime numbers. A prime number has only two factors: 1 and itself.
A composite number is a natural number that has at least one other factor than 1 and itself.
Calculate the greatest (highest) common factor (divisor), gcf (hcf, gcd):
Multiply all the common prime factors of the two numbers, taken by their smallest exponents (powers).
gcf (hcf, gcd) (252; 3,004) = 22 = 4
Coprime numbers (prime to each other, relatively prime) (252; 3,004)? No.
The two numbers have common prime factors.
gcf (hcf, gcd) (252; 3,004) = 4
Method 2. The Euclidean Algorithm:
This algorithm involves the process of dividing numbers and calculating the remainders.
'a' and 'b' are the two natural numbers, 'a' >= 'b'.
Divide 'a' by 'b' and get the remainder of the operation, 'r'.
If 'r' = 0, STOP. 'b' = the gcf (hcf, gcd) of 'a' and 'b'.
Else: Replace ('a' by 'b') and ('b' by 'r'). Return to the step above.
Step 1. Divide the larger number by the smaller one:
3,004 ÷ 252 = 11 + 232
Step 2. Divide the smaller number by the above operation's remainder:
252 ÷ 232 = 1 + 20
Step 3. Divide the remainder of the step 1 by the remainder of the step 2:
232 ÷ 20 = 11 + 12
Step 4. Divide the remainder of the step 2 by the remainder of the step 3:
20 ÷ 12 = 1 + 8
Step 5. Divide the remainder of the step 3 by the remainder of the step 4:
12 ÷ 8 = 1 + 4
Step 6. Divide the remainder of the step 4 by the remainder of the step 5:
8 ÷ 4 = 2 + 0
At this step, the remainder is zero, so we stop:
4 is the number we were looking for - the last non-zero remainder.
This is the greatest (highest) common factor (divisor).
gcf (hcf, gcd) (252; 3,004) = 4
Coprime numbers (prime to each other, relatively prime) (252; 3,004)? No.
gcf (hcf, gcd) (252; 3,004) = 4
The final answer:
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252 and 3,004 are not relatively prime - if there is at least one number other than 1 that evenly divides the two numbers (without a remainder) - or, in other words - if their greatest (highest) common factor (divisor), gcf (hcf, gcd), is not 1.
Coprime numbers (prime to each other, relatively prime) (252; 3,004)? No.
gcf (hcf, gcd) (252; 3,004) = 4
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