87 666 923 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 2⁷⁶

TF target 2⁷⁵

P-1

B1 =	715000
B2 =	14121250

Status	Date	User	Residue	Shift
Unverified	2019-04-11	frolyar	2E1E079F9A3CC9__	72074233

History

Date	User	Type	Result
2019-04-11	frolyar	C-LL	2E1E079F9A3CC9__
2018-05-15	jackwing	NF-PM1	B1=715000, B2=14121250, E=12
2017-06-28	Fredrik	NF	no factor from 2^75 to 2^76
2017-06-28	Fredrik	NF	no factor from 2^74 to 2^75
2017-06-28	Fredrik	NF	no factor from 2^73 to 2^74
2017-06-28	Fredrik	NF	no factor from 2^72 to 2^73
2017-06-28	Fredrik	NF	no factor from 2^71 to 2^72
2014-09-04	Preben S	NF	no factor from 2^70 to 2^71
2013-10-01	Phenom factory	NF	no factor from 2^69 to 2^70
2013-10-01	Phenom factory	NF	no factor from 2^68 to 2^69
2013-10-01	Phenom factory	NF	no factor from 2^67 to 2^68
2013-10-01	Phenom factory	NF	no factor from 2^66 to 2^67
2013-05-08	c10ck3r	NF	no factor from 2^65 to 2^66
2010-11-17	Architects Cubed	NF	no factor from 2^64 to 2^65