100 926 647 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 2⁷⁷

TF target 2⁷⁶

P-1

B1 =	785000
B2 =	15503750

Status	Date	User	Residue	Shift
Unverified	2020-06-21	curtisc	9256A1581E2452__	10480166

History

Date	User	Type	Result
2020-06-21	curtisc	C-LL	9256A1581E2452__
2020-03-30	TheJudger	NF-PM1	B1=785000, B2=15503750, E=12
2020-01-26	TheJudger	NF	no factor from 2^76 to 2^77
2020-01-26	TheJudger	NF	no factor from 2^75 to 2^76
2020-01-26	TheJudger	NF	no factor from 2^74 to 2^75
2019-12-06	ViliamF	NF	no factor from 2^73 to 2^74
2019-12-06	ViliamF	NF	no factor from 2^72 to 2^73
2017-05-24	mikr	NF	no factor from 2^71 to 2^72
2015-12-11	Yury Vorobyov	NF	no factor from 2^70 to 2^71
2014-11-29	shauge	NF	no factor from 2^70 to 2^71
2014-05-26	munsun_jang	NF	no factor from 2^69 to 2^70
2013-10-31	Robish	NF	no factor from 2^68 to 2^69
2013-10-24	Robish	NF	no factor from 2^67 to 2^68
2011-04-02	Craig Meyers	NF	no factor from 2^66 to 2^67
2011-02-17	Craig Meyers	NF	no factor from 2^65 to 2^66
2010-08-12	OS1	NF	no factor from 2^64 to 2^65
2010-02-06	1997rj7	NF	no factor from 2^63 to 2^64