31 318 583 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite: 1 known prime factor

Factored

Factor	Digits	Bits	Date
200151112012893765001	21	67.4	2011-05-28 20:46:53

Status	Date	User	Residue	Shift
Verified (Factored)	2006-08-25	C. Cooper / S. Boone	715F2625BCE5091E	29107577

History

Date	User	Type	Result
2011-05-28	Ungelovende	F	Factor: 200151112012893765001

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