65 047 649 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
251097292566615314617607	24	77.7	2022-11-28 02:14:48

Status	Date	User	Residue	Shift
Verified (Factored)	2013-12-30	arnaud	4A147819C8E57295	17916972
Verified (Factored)	2022-11-27	Ryan Propper	EC207C39101C9214	5333838

P-1 factors

Date	Factor	B1	B2
2022-11-28	251097292566615314617607	1090000	1057582890

History

Date	User	Type	Result
2022-11-30	riccardo uberti	NF-PM1	B1=1250000, B2=37500000
2022-11-28	Runtime Error	F-PM1	Factor: 251097292566615314617607 / (P-1, B1=1090000, B2=1057582890)
2022-11-27	Ryan Propper	C-LL	EC207C39101C9214
2022-09-13	La Güira	NF	no factor from 2^74 to 2^75
2016-03-28	Mark Rose	NF	no factor from 2^60 to 2^64
2013-12-30	arnaud	C-LL	4A147819C8E57295
2013-09-16	Charlie_Tango	NF-PM1	B1=575000, B2=10062500
2013-09-09	Chuck	NF	no factor from 2^73 to 2^74
2013-07-31	Kyle Askine	NF	no factor from 2^72 to 2^73
2013-07-31	Kyle Askine	NF	no factor from 2^71 to 2^72
2013-03-29	SMoffat	NF	no factor from 2^70 to 2^71
2012-01-23	tmorrow	NF	no factor from 2^69 to 2^70
2010-07-30	-Anonymous-	NF	no factor from 2^68 to 2^69
2010-06-17	-Anonymous-	NF	no factor from 2^67 to 2^68
2010-06-09	NoWhereMan	NF	no factor from 2^66 to 2^67
2010-05-24	GrunwalderGIMP	NF	no factor from 2^65 to 2^66
2009-11-14	-Anonymous-	NF	no factor from 2^64 to 2^65