72 073 129 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 2⁷⁴

P-1

B1 =	665000
B2 =	13965000

Status	Date	User	Residue	Shift
Unverified	2017-05-02	basey	0A5774C0CABA84__	25172904

Assigned

Assigned	User	Work Type	Stage	% Done	Updated	Expired
2024-04-05	-Anonymous-	LL double-check	LL	0.06 %	2024-04-05

History

Date	User	Type	Result
2017-05-02	basey	C-LL	0A5774C0CABA84__
2016-06-17	-Anonymous-	NF	no factor from 2^74 to 2^75
2014-07-20	Patrik Johansson	NF-PM1	B1=665000, B2=13965000, E=12
2014-07-03	NickOfTime	NF	no factor from 2^73 to 2^74
2014-07-03	NickOfTime	NF	no factor from 2^72 to 2^73
2014-07-01	Architects Cubed	NF	no factor from 2^71 to 2^72
2012-11-17	S00030	NF	no factor from 2^70 to 2^71
2012-09-30	RobertN	NF	no factor from 2^69 to 2^70
2010-08-04	lhunt	NF	no factor from 2^68 to 2^69
2010-07-25	lhunt	NF	no factor from 2^67 to 2^68
2010-07-16	lhunt	NF	no factor from 2^66 to 2^67
2010-07-11	David Young	NF	no factor from 2^65 to 2^66
2010-07-06	-Anonymous-	NF	no factor from 2^64 to 2^65
2008-09-19	Wojciech Florek	NF	no factor to 2^64