Primes and Prime Factors

By Henning Poulsen on AppTrack Ninja.

18 digit primes

Primes, Prime Factors About This app lets you • check numbers to see if they are prime numbers, • find next prime, • find primes within an interval (range), and • determining prime factors. The input numbers need be between 0 and 4,611,686,018,427,387,904, which is 2^62, or approximately 4.611·10^18. Just keep numbers less than 19 digits; a validation mechanism prevents illegal input. Primes A prime number (or a prime) is a natural number greater than 1 that has no positive divisors other than 1 and itself. Examples: 2, 3, 5, 7, 11, 13, 17. 2 is the only even prime. When finding primes in an …

Categories: Education, Reference

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