71 152 423 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 =	13061250

Status	Date	User	Residue	Shift
Unverified	2017-02-08	basey	CA2EB87A0DF663__	67206052

History

Date	User	Type	Result
2017-02-08	basey	C-LL	CA2EB87A0DF663__
2016-07-15	-Anonymous-	NF	no factor from 2^74 to 2^75
2014-12-23	Bdot	NF-PM1	B1=645000, B2=13061250, E=6
2014-12-14	TheJudger	NF	no factor from 2^73 to 2^74
2014-11-24	Zr40	NF	no factor from 2^72 to 2^73
2014-10-25	LaurV	NF	no factor from 2^71 to 2^72
2013-07-01	roemer2201	NF	no factor from 2^70 to 2^71
2012-11-11	ixfd64	NF	no factor from 2^69 to 2^70
2010-05-02	-Anonymous-	NF	no factor from 2^68 to 2^69
2010-04-23	Sami Alex	NF	no factor from 2^67 to 2^68
2010-03-20	-Anonymous-	NF	no factor from 2^66 to 2^67
2010-03-14	eon_blue_apocalypse	NF	no factor from 2^65 to 2^66
2010-03-12	subgenius	NF	no factor from 2^64 to 2^65
2008-10-21	Wojciech Florek	NF	no factor to 2^64