61 545 371 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 =	580000
B2 =	10730000

Status	Date	User	Residue	Shift
Verified	2014-07-06	Amazon EC2	2319E0A1A357353F	18282655
Verified	2022-05-13	Denis Porva	2319E0A1A357353F	48832886

History

Date	User	Type	Result
2022-05-13	Denis Porva	C-LL	2319E0A1A357353F
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2014-07-06	Amazon EC2	C-LL	2319E0A1A357353F
2014-05-26	chalsall	NF	no factor from 2^73 to 2^74
2013-03-13	S36049	NF-PM1	B1=580000, B2=10730000
2013-02-07	Jerry Hallett	NF	no factor from 2^72 to 2^73
2013-02-07	Jerry Hallett	NF	no factor from 2^71 to 2^72
2013-01-26	kracker	NF	no factor from 2^70 to 2^71
2012-04-08	Richard	NF	no factor from 2^69 to 2^70
2009-09-17	Team_Elteor_Borislavj~Bronco	NF	no factor from 2^68 to 2^69
2009-02-08	Sturle Sunde	NF	no factor from 2^67 to 2^68
2009-02-08	Sturle Sunde	NF	no factor from 2^66 to 2^67
2009-02-08	borkencode	NF	no factor from 2^65 to 2^66
2009-02-05	Brian Campbell	NF	no factor from 2^64 to 2^65
2009-02-04	NoPa	NF	no factor from 2^63 to 2^64