Mathematical Operations With Prime Numbers

Prime Numbers. 8 Free Online Calculators Available.


All the mathematical operations are performed automatically.

All the operations and the results are explained in detail, step by step.

All the online calculators are free to use.


The links to the main calculators are listed below:


1. Prime factorization: Check whether numbers are prime. Composite numbers prime factorization (decomposing, breaking numbers down to prime factors). Write them as a product of prime factors, in exponential notation. Online calculator


Prime or composite numbers? The last 3 numbers on which the prime factorization has been performed

2. Calculate GCF (HCF, GCD), the greatest (highest) common factor (divisor). Online calculator


The greatest (highest) common factor (divisor), gcf (hcf, gcd): the latest 3 calculated values

3. Calculate LCM, the least common multiple of numbers. Online calculator


The least common multiple, LCM: the latest 3 calculated values

4. Completely reducing (simplifying) fractions to the lowest terms. Online calculator


The latest 3 fractions that have been fully reduced (simplified) to their lowest terms (to their simplest form, the smallest possible numerator and denominator)

5. Numbers' divisibility: Tell and explain whether a number is divisible by another. Online calculator


Divisibility: the latest 3 pairs of numbers checked on whether they are divisible or not

6. All the factors (divisors) of one number or all the common factors of two numbers. Online calculator


The latest 3 sets of calculated factors (divisors): of one number or the common factors of two numbers

7. Are the numbers coprime (relatively prime, prime to each other)? Online calculator


The latest 3 pairs of numbers checked on whether they are coprime (prime to each other, relatively prime) or not

8. Numbers' Parity: even or odd numbers? Online calculator


The latest 3 checked on numbers: even or odd number?

1. Prime numbers. 2. The fundamental theorem of arithmetic. 3. Composite numbers. 4. Remarks

Some articles on prime numbers

What is a prime number? Definition, examples

What is a composite number? Definition, examples

The prime numbers up to 1,000

The prime numbers up to 10,000

The Sieve of Eratosthenes

The Euclidean Algorithm

Completely reduce (simplify) fractions to the lowest terms: Steps and Examples