75 441 133 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 =	630000
B2 =	12757500

Status	Date	User	Residue	Shift
Verified	2017-09-09	KURO MM	815F09DC14C616E4	39821405
Verified	2017-12-20	basey	815F09DC14C616E4	54588328

History

Date	User	Type	Result
2017-12-20	basey	C-LL	815F09DC14C616E4
2017-09-09	KURO MM	C-LL	815F09DC14C616E4
2016-04-03	Mark Rose	NF	no factor from 2^63 to 2^64
2016-02-13	Koekie	NF-PM1	B1=630000, B2=12757500, E=12
2016-01-31	TheJudger	NF	no factor from 2^74 to 2^75
2016-01-31	TheJudger	NF	no factor from 2^73 to 2^74
2016-01-31	TheJudger	NF	no factor from 2^72 to 2^73
2014-01-17	g0b	NF	no factor from 2^71 to 2^72
2013-05-15	Skiman	NF	no factor from 2^70 to 2^71
2012-12-15	-Anonymous-	NF	no factor from 2^69 to 2^70
2010-11-23	seekua	NF	no factor from 2^68 to 2^69
2010-11-18	Per Jessen	NF	no factor from 2^67 to 2^68
2010-11-13	Rhyled	NF	no factor from 2^66 to 2^67
2010-08-18	Bassam Abdul-Baki	NF	no factor from 2^65 to 2^66
2010-08-12	Stuart Thompson	NF	no factor from 2^64 to 2^65