90 561 257 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

TF

No factors below 2⁷⁷

TF target 2⁷⁵

P-1

B1 =	735000
B2 =	16905000

Status	Date	User	Residue	Shift	Type	Base
Unverified	2019-12-27	ky0uraku	6B3DCEC3383631__	53961259	1	3

History

Date	User	Type	Result
2019-12-27	ky0uraku	C-PRP	6B3DCEC3383631__ PRP without proof (not generated)
2019-01-28	Ruzovej	NF-PM1	B1=735000, B2=16905000, e=4
2019-01-20	TheJudger	NF	no factor from 2^76 to 2^77
2018-12-02	TheJudger	NF	no factor from 2^75 to 2^76
2018-12-02	TheJudger	NF	no factor from 2^74 to 2^75
2018-11-05	gcardona	NF	no factor from 2^73 to 2^74
2017-03-08	Carsten Kossendey	NF	no factor from 2^72 to 2^73
2014-11-20	PED	NF	no factor from 2^71 to 2^72
2014-11-20	PED	NF	no factor from 2^70 to 2^71
2014-02-03	ChrisS94	NF	no factor from 2^69 to 2^70
2011-05-27	Carsten Kossendey	NF	no factor from 2^68 to 2^69
2011-01-02	Carsten Kossendey	NF	no factor from 2^67 to 2^68
2010-11-25	Carsten Kossendey	NF	no factor from 2^66 to 2^67
2010-10-27	Carsten Kossendey	NF	no factor from 2^65 to 2^66
2010-08-28	Carsten Kossendey	NF	no factor from 2^64 to 2^65