mathematics number theory prime numbers twin primes conjecture All topics More than 2,000 years ago, the Greek mathematician Eratosthenes came up with a method for finding prime numbers that continues ...

There are three kinds of prime numbers. The first is a solitary outlier: 2, the only even prime. After that, half the primes leave a remainder of 1 when divided by 4. The other half leave a remainder ...

There are infinitely many prime numbers, but the biggest one we know of goes by the name M136279841 and contains more than 41 million digits. When you purchase through links on our site, we may earn ...