61 509 697 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 2⁷⁴

TF target 2⁷⁴

P-1

B1 =	585000
B2 =	11846250

Status	Date	User	Residue	Shift
Unverified	2014-10-20	Iskhak	159B84FD9DE14B__	14318250

Status	Date	User	Residue	Shift	Type	Base
Verified	2021-09-07	adamgm	5E2D85B0DA694CCB	0	1	3
Verified	2021-09-15	_p95holder_	5E2D85B0DA694CCB	50429385	1	3

History

Date	User	Type	Result
2021-09-15	_p95holder_	C-PRP	5E2D85B0DA694CCB PRP: Verified PRP without proof (not generated)
2021-09-07	adamgm	C-PRP	5E2D85B0DA694CCB PRP: Verified PRP without proof (not generated)
2014-10-20	Iskhak	C-LL	159B84FD9DE14B__
2014-07-21	monst	NF	no factor from 2^73 to 2^74
2013-04-21	Brian Chan	NF-PM1	B1=585000, B2=11846250, E=6
2013-02-06	LaurV	NF	no factor from 2^72 to 2^73
2013-02-06	LaurV	NF	no factor from 2^71 to 2^72
2012-09-06	Clown_Royal	NF	no factor from 2^70 to 2^71
2009-03-03	RMAC9.5	NF	no factor to 2^70
2009-02-02	Sturle Sunde	NF	no factor from 2^64 to 2^65
2009-02-01	-Anonymous-	NF	no factor from 2^63 to 2^64