Trivia ForgePlay free →

What is the term for a prime number that is one less than a power of two?

Show answer

Mersenne prime

Mersenne primes are named after the French monk Marin Mersenne. The largest known prime numbers are almost always Mersenne primes because there are efficient algorithms to test them.

Also asked as:
  • What is the name for a prime number of the form 2^n - 1?

Would you remember this in 6 months?

Trivia Forge uses spaced repetition so facts stick. Free, no signup needed.

Practice Mathematics questions →

More Mathematics trivia

See all 243 →