81 330 709 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 2⁷⁵

P-1

B1 =	690000
B2 =	13972500

Status	Date	User	Residue	Shift
Unverified	2018-05-07	rk3aqy	0A17C3BDC3B6F7__	75399510

History

Date	User	Type	Result
2018-05-07	rk3aqy	C-LL	0A17C3BDC3B6F7__
2017-05-26	mgpainter	NF-PM1	B1=690000, B2=13972500, E=12
2016-11-11	-Anonymous-	NF	no factor from 2^74 to 2^75
2016-11-11	-Anonymous-	NF	no factor from 2^73 to 2^74
2016-09-16	Judge Hale	NF	no factor from 2^72 to 2^73
2016-09-16	Judge Hale	NF	no factor from 2^71 to 2^72
2013-07-28	ANONYMOUS	NF	no factor from 2^70 to 2^71
2013-06-11	Gnorfe	NF	no factor from 2^69 to 2^70
2013-06-10	g0b	NF	no factor from 2^68 to 2^69
2013-03-02	Simon Harrison	NF	no factor from 2^67 to 2^68
2013-01-30	phoenicis	NF	no factor from 2^66 to 2^67
2011-02-18	andrea.biancalana	NF	no factor from 2^65 to 2^66
2010-12-03	Architects Cubed	NF	no factor from 2^64 to 2^65