Write a number as a product of its prime factors To be able to find factors and write a number as a product of prime factors, having knowledge of powers and indices is useful. Remember: To find ...

How to discover your own prime number This month, GIMPS, the Great Internet Mersenne Prime Search, announced the discovery of the largest known prime number: 2^74,207,281-1.

Prime Numbers: Check definition of prime numbers, list from 1 to 1000, examples, applications and frequently asked questions regarding prime numbers.

A prime number is an integer, or whole number, that has only two factors — 1 and itself. Put another way, a prime number can be divided evenly only by 1 and by itself. Prime numbers also must be ...

The new prime number discovered at the very end of 2017 corresponds to M77232917. It has 23,249,425 digits – almost a million digits more than the previous record-holding prime.

In his senior year of high school, Daniel Larsen proved a key theorem about Carmichael numbers—strange entities that mimic the primes.

In lay terms, that means every time a new Mersenne prime appears, so does a new perfect number. That's true for M77232917 as well, though its perfect number is very, very big.

Jon Pace, a longtime FedEx employee, has loved math since high school. Then he discovered the world's largest prime.

Meet the new largest known prime number. It starts with a 4, continues on for 23 million digits, then ends with a 1. As is true with all prime numbers, it can only be evenly divided by one and ...