335 000 261 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite: proven not-prime with Lucas-Lehmer test

TF

No factors below 2⁸²

TF target 2⁸¹

P-1

B1 =	3000000
B2 =	1000775160

Status	Date	User	Residue	Shift
Verified	2017-04-04	Sergey Nosov	59B0966271B83148	151496154
Verified	2023-05-20	Anton Repko	59B0966271B83148	0

History

Date	User	Type	Result
2023-05-20	Anton Repko	C-LL	59B0966271B83148
2023-05-02	-Anonymous-	NF-PM1	B1=3000000, B2=1000775160
2017-04-04	Sergey Nosov	C-LL	59B0966271B83148
2016-11-20	Sergey Nosov	NF-PM1	B1=2565000, B2=56430000
2016-11-12	Sergey Nosov	NF	no factor from 2^75 to 2^82
2016-08-03	Sergey Nosov	NF	no factor from 2^72 to 2^75
2016-08-03	Sergey Nosov	NF	no factor from 2^65 to 2^72
2016-08-03	Sergey Nosov	NF	no factor from 2^29 to 2^65
2011-08-07	vats09	NF	no factor from 2^75 to 2^76
2011-07-29	vats09	NF	no factor from 2^74 to 2^75
2011-07-29	vats09	NF	no factor from 2^73 to 2^74
2011-07-29	vats09	NF	no factor from 2^72 to 2^73
2011-07-29	vats09	NF	no factor from 2^71 to 2^72
2011-07-29	vats09	NF	no factor from 2^70 to 2^71
2011-07-29	vats09	NF	no factor from 2^69 to 2^70
2011-07-29	vats09	NF	no factor from 2^65 to 2^69