20 998 387 Exponent Status

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

PrimeNet Exponent Status

M_n

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Factored

Factor	Digits	Bits	Date
292341606604993835257	21	68.0	2017-01-21 18:43:50

Status	Date	User	Residue	Shift
Verified (Factored)	2003-12-31	Julian Allen	2B24B3EF97498929	4433366
Verified (Factored)	2009-02-27	glennpat	2B24B3EF97498929	3645496

History

Date	User	Type	Result
2017-01-21	Conductor	F	Factor: 292341606604993835257 / TF: 67-68
2015-04-06	NR	NF	no factor from 2^66 to 2^67
2009-02-27	glennpat	C-LL	2B24B3EF97498929

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