40 576 147 Exponent Status

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

PrimeNet Exponent Status

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Details

Factored

Factor	Digits	Bits	Date
472761503491067131543	21	68.7	2013-11-08 22:22:14

Status	Date	User	Residue	Shift
Verified (Factored)	2008-10-27	Freightyard	83280EFA79085FC2	38708187

History

Date	User	Type	Result
2013-11-08	Carsten Kossendey	F	Factor: 472761503491067131543 / TF: 68-69
2008-10-27	Freightyard	C-LL	83280EFA79085FC2

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