71 125 387 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 2⁷⁵

TF target 2⁷⁴

P-1

B1 =	645000
B2 =	13222500

Status	Date	User	Residue	Shift
Unverified	2017-02-28	Shnobel	C08BBD2EED2A07__	7874421

History

Date	User	Type	Result
2017-02-28	Shnobel	C-LL	C08BBD2EED2A07__
2016-07-23	-Anonymous-	NF	no factor from 2^74 to 2^75
2014-12-24	TheJudger	NF-PM1	B1=645000, B2=13222500, E=6
2014-12-07	TheJudger	NF	no factor from 2^73 to 2^74
2014-11-27	Zr40	NF	no factor from 2^72 to 2^73
2014-11-26	Zr40	NF	no factor from 2^71 to 2^72
2012-11-14	Clown_Royal	NF	no factor from 2^70 to 2^71
2012-05-08	-Anonymous-	NF	no factor from 2^69 to 2^70
2010-08-13	Nurpuri	NF	no factor from 2^68 to 2^69
2010-08-06	Nurpuri	NF	no factor from 2^67 to 2^68
2010-07-26	Nurpuri	NF	no factor from 2^66 to 2^67
2010-07-17	Nurpuri	NF	no factor from 2^65 to 2^66
2010-05-16	Harley Anderson	NF	no factor from 2^64 to 2^65
2008-10-21	Wojciech Florek	NF	no factor to 2^64