88 808 959 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 2⁷⁶

TF target 2⁷⁵

P-1

B1 =	720000
B2 =	14220000

Status	Date	User	Residue	Shift
Unverified	2019-02-27	AHS Gobblers	F28C861A499640__	44548021

History

Date	User	Type	Result
2019-02-27	AHS Gobblers	C-LL	F28C861A499640__
2018-09-29	nranks	NF-PM1	B1=720000, B2=14220000, E=6
2018-09-02	TheJudger	NF	no factor from 2^75 to 2^76
2018-09-02	TheJudger	NF	no factor from 2^74 to 2^75
2017-08-07	-Anonymous-	NF	no factor from 2^73 to 2^74
2017-08-07	-Anonymous-	NF	no factor from 2^72 to 2^73
2017-08-07	-Anonymous-	NF	no factor from 2^71 to 2^72
2013-11-25	SMoffat	NF	no factor from 2^70 to 2^71
2011-05-19	wavelet3000	NF	no factor from 2^69 to 2^70
2011-05-19	wavelet3000	NF	no factor from 2^68 to 2^69
2011-05-19	wavelet3000	NF	no factor from 2^67 to 2^68
2011-03-31	wavelet3000	NF	no factor from 2^66 to 2^67
2011-03-24	wavelet3000	NF	no factor from 2^65 to 2^66
2010-11-15	Architects Cubed	NF	no factor from 2^64 to 2^65