72 867 187 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 =	461000
B2 =	356319810

Status	Date	User	Residue	Shift
Unverified	2017-05-24	basey	AF3CCCD18CC775__	52168324

Assigned

Assigned	User	Work Type	Stage	% Done	Updated	Expired
2024-03-23	-Anonymous-	LL double-check		0.00 %	2024-03-23

History

Date	User	Type	Result
2022-10-04	ScottieMckinley	NF-PM1	B1=461000, B2=356319810
2017-05-24	basey	C-LL	AF3CCCD18CC775__
2016-06-11	-Anonymous-	NF	no factor from 2^74 to 2^75
2014-10-31	-Anonymous-	NF-PM1	B1=805000
2014-10-24	kdgehman	NF	no factor from 2^73 to 2^74
2014-10-24	kdgehman	NF	no factor from 2^72 to 2^73
2014-10-24	kdgehman	NF	no factor from 2^71 to 2^72
2012-12-21	kdgehman	NF	no factor from 2^70 to 2^71
2012-10-04	E.Lechner	NF	no factor from 2^69 to 2^70
2011-03-02	Mclighter	NF	no factor from 2^68 to 2^69
2011-02-27	-Anonymous-	NF	no factor from 2^67 to 2^68
2011-02-21	Team_Inspector	NF	no factor from 2^66 to 2^67
2010-05-25	S00030	NF	no factor from 2^65 to 2^66
2010-05-23	symallad	NF	no factor from 2^64 to 2^65
2008-09-19	Wojciech Florek	NF	no factor to 2^64