22781...00001 (8973-digits)
This number is a prime.
1234567*420^3418+1 is prime. 420 is the smallest number
divisible by the numbers 1 through 7. Also, summing the
factorials of the digits of 3418 produces the prime 40351,
while summing the factorials of the digits of 1234567*420^3418+1 produces the prime 219770503. [Earls]
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