21 055 513 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
94711434693770770399	20	66.4	2015-04-09 20:46:34

Status	Date	User	Residue	Shift
Bad	2005-05-12	Alessandro Polverini	D43B884BDFF7E50B	13565930
Verified (Factored)	2006-07-25	gangho	54B11218B2439607	9778157
Verified (Factored)	2008-07-25	Binary Digits	54B11218B2439607	2278176

History

Date	User	Type	Result
2015-04-09	NR	F	Factor: 94711434693770770399 / TF: 66-67*

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