91 231 219 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 2⁷⁷

TF target 2⁷⁵

P-1

B1 =	700000
B2 =	13125000

Status	Date	User	Residue	Shift
Unverified	2019-08-01	dcromster	6374DF44AE3B7C__	65427091

History

Date	User	Type	Result
2019-08-01	dcromster	C-LL	6374DF44AE3B7C__
2019-04-23	Battlemaxx	NF-PM1	B1=700000, B2=13125000, E=6
2019-03-03	TheJudger	NF	no factor from 2^76 to 2^77
2018-12-17	Strolling Jellyfish	NF	no factor from 2^75 to 2^76
2018-12-14	ktony	NF	no factor from 2^74 to 2^75
2018-02-22	Tim Sorbera	NF	no factor from 2^73 to 2^74
2018-02-18	RichD0	NF	no factor from 2^72 to 2^73
2013-10-03	Adam Stinchcombe	NF	no factor from 2^71 to 2^72
2013-10-03	Adam Stinchcombe	NF	no factor from 2^70 to 2^71
2013-10-03	Adam Stinchcombe	NF	no factor from 2^69 to 2^70
2013-10-03	Adam Stinchcombe	NF	no factor from 2^68 to 2^69
2013-07-29	-Anonymous-	NF	no factor from 2^67 to 2^68
2013-07-28	ebravick	NF	no factor from 2^66 to 2^67
2013-06-10	David Campeau	NF	no factor from 2^65 to 2^66
2010-12-29	Architects Cubed	NF	no factor from 2^64 to 2^65