23373613

This number is a prime.

Just showing those entries submitted by 'Suzanna': (Click here to show all)

455238, 802086, 805482, 1325034, 1371894, 2241678, 2435162, 3074663, 5258927, 8593099, and 17151829 have concatenation of prime factors (with multiplicities) identical to 23373613. There are no other 8-digit primes which give the same or greater results than this. [Suzanna]