30 520 229 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
383520421605632959279	21	68.4	2012-03-06 03:33:35

Status	Date	User	Residue	Shift
Verified (Factored)	2006-04-28	C. Cooper / S. Boone	BE7304EB2F72660A	397889

History

Date	User	Type	Result
2012-03-06	Craig Meyers	F	Factor: 383520421605632959279

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