Question

What's the largest known perfect number? :^)

Answer 1

Largest known prime number discovered; has 17,425,170 digits. Summary: On Jan. 25, the largest known prime number, 257,885,161-1, was discovered on Great Internet Mersenne Prime Search (GIMPS) volunteer Curtis Cooper's computer.

Answer 2

Wrong. :D

Answer 3

http://www.mersenne.org/primes/?press=M74207281

On January 7th at 22:30 UTC, the Great Internet Mersenne Prime Search (GIMPS) celebrated its 20th anniversary with the math discovery of the new largest known prime number, \(2^{74,207,281}-1\), having 22,338,618 digits

Answer 4

dang it lol