71 076 287 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 =	640000
B2 =	12480000

Status	Date	User	Residue	Shift
Unverified	2017-01-28	basey	607C5BD8A8361B__	59556696

History

Date	User	Type	Result
2017-01-28	basey	C-LL	607C5BD8A8361B__
2016-07-11	Mark Rose	NF	no factor from 2^74 to 2^75
2014-08-17	Kevin Jaget	NF-PM1	B1=640000, B2=12480000
2014-05-31	Craig Meyers	NF	no factor from 2^71 to 2^74
2014-04-20	HBendtz	NF	no factor from 2^70 to 2^71
2012-11-13	Jacques MOLNE	NF	no factor from 2^69 to 2^70
2010-08-04	Benoit Germain	NF	no factor from 2^68 to 2^69
2010-05-20	John Tolly	NF	no factor from 2^67 to 2^68
2010-05-18	eon_blue_apocalypse	NF	no factor from 2^66 to 2^67
2010-05-15	jatkinso	NF	no factor from 2^65 to 2^66
2010-03-07	Aare Vesi	NF	no factor from 2^64 to 2^65
2008-10-19	Wojciech Florek	NF	no factor to 2^64