71 216 623 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 =	660000
B2 =	13365000

Status	Date	User	Residue	Shift
Unverified	2017-02-16	basey	25E2D09912FF10__	66133397

History

Date	User	Type	Result
2017-02-16	basey	C-LL	25E2D09912FF10__
2016-08-05	-Anonymous-	NF	no factor from 2^74 to 2^75
2015-01-04	TheJudger	NF-PM1	B1=660000, B2=13365000, E=12
2014-12-08	Bdot	NF	no factor from 2^73 to 2^74
2014-12-06	Bdot	NF	no factor from 2^72 to 2^73
2014-10-31	Stef42	NF	no factor from 2^71 to 2^72
2014-04-26	HBendtz	NF	no factor from 2^70 to 2^71
2013-04-16	Bruce A Metcalf	NF	no factor from 2^69 to 2^70
2010-06-11	Dr. Nowak	NF	no factor from 2^68 to 2^69
2010-06-04	Dr. Nowak	NF	no factor from 2^67 to 2^68
2010-05-28	Dr. Nowak	NF	no factor from 2^66 to 2^67
2010-05-20	Dr. Nowak	NF	no factor from 2^65 to 2^66
2010-03-14	Sturle Sunde	NF	no factor from 2^64 to 2^65
2008-10-21	Wojciech Florek	NF	no factor to 2^64