99 902 189 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime

TF

No factors below 2⁷⁸

TF target 2⁷⁶

P-1

B1 =	725000
B2 =	13593750

Status	Date	User	Residue	Shift
Unverified	2020-05-12	Sergey Nosov	FC8E8B5862090C__	1869731

Assigned

Assigned	User	Work Type	Stage	% Done	Updated	Expired
2024-11-06	-Anonymous-	LL double-check	LL	0.00 %	2024-12-06

History

Date	User	Type	Result
2020-05-12	Sergey Nosov	C-LL	FC8E8B5862090C__
2020-04-22	ktony	NF-PM1	B1=725000, B2=13593750, E=12
2020-04-10	SRBase	NF	no factor from 2^77 to 2^78
2020-02-09	TheJudger	NF	no factor from 2^76 to 2^77
2020-01-29	TheJudger	NF	no factor from 2^75 to 2^76
2020-01-29	TheJudger	NF	no factor from 2^74 to 2^75
2019-12-16	ixfd64	NF	no factor from 2^73 to 2^74
2019-03-17	Niels_Mache_Nextcloud	NF	no factor from 2^72 to 2^73
2014-05-25	Phil	NF	no factor from 2^71 to 2^72
2014-05-25	Phil	NF	no factor from 2^70 to 2^71
2014-05-25	Phil	NF	no factor from 2^69 to 2^70
2014-05-25	Phil	NF	no factor from 2^68 to 2^69
2013-09-12	processinfo	NF	no factor from 2^67 to 2^68
2013-08-16	Le Comte	NF	no factor from 2^66 to 2^67
2012-05-17	Jimmy Brüggemann	NF	no factor from 2^65 to 2^66
2010-10-30	1997rj7	NF	no factor from 2^64 to 2^65