# 26525...99999 (33-digits)

This number is a prime.

265 2528598121 9105863630 8479999999

265252859812191058636308479999999 is a factorial-minus-one prime (30! - 1). [Dobb]

((5#)!)-1 is prime. 5 is the largest known prime such that this is true. [Patterson]

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