# 72323...25253 (3120-digits)

This number is a probable-prime (likely to be a prime but we have not (re-)proven it on this site).

The largest known prime-digit prime at the time: 72323252323272325252*(10^3120-1)/(10^20-1)+1. It was discovered by Harvey Dubner in 1992.

Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell