82606...00217 (26-digits)
This number is a prime.
826064 1125390354 8723200217
82606411253903548723200217 = 1!¹ + 3!³ + 5!⁵ + 7!⁷ is a prime number. [Ahmed]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Reginald McLean
This number is a prime.
826064 1125390354 8723200217
82606411253903548723200217 = 1!¹ + 3!³ + 5!⁵ + 7!⁷ is a prime number. [Ahmed]