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Enter any positive Integer number up to 16-digit and click on "=" button. All prime factors will appear or message will notify that the number itself is a Prime.

84 = 2 x 2 x 3 x 7, where 2, 3 and 7 are Prime Factors.

12345 = 3 x 5 x 823, where 3, 5 and 823 are Prime Factors.

999999999999989 = IS PRIME NUMBER

**Factorization** of the Integer number is a mathematical procedure
of extracting all of its Prime divisors (Factors).
Any Integer number is equal to the Product of its Factors.

**Prime Numbers** (or simply Primes) have only two trivial divisors:
1 and the number itself (1 has only one divisors).
Any Integer other than Prime is called a Composite Number; they contains at least three divisors.

Also: **MOBILE PRIME FACTORING CALCULATOR**