72 237 103 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 =	710000
B2 =	15797500

Status	Date	User	Residue	Shift
Unverified	2017-05-12	basey	B1FCAC422223F4__	35982292

Assigned

Assigned	User	Work Type	Stage	% Done	Updated	Expired
2024-04-07	-Anonymous-	LL double-check	LL	11.32 %	2024-04-22

History

Date	User	Type	Result
2017-05-12	basey	C-LL	B1FCAC422223F4__
2016-04-12	Bdot	NF	no factor from 2^74 to 2^75
2015-10-24	Judge Hale	NF	no factor from 2^73 to 2^74
2015-06-14	TheJudger	NF-PM1	B1=710000, B2=15797500, E=12
2015-06-12	Matthias Wurtinger	NF	no factor from 2^72 to 2^73
2015-02-12	1997rj7	NF	no factor from 2^71 to 2^72
2013-04-21	Balazs Hegyi	NF	no factor from 2^70 to 2^71
2012-10-23	Clown_Royal	NF	no factor from 2^69 to 2^70
2010-11-25	sannerud.com	NF	no factor from 2^68 to 2^69
2010-11-25	sannerud.com	NF	no factor from 2^67 to 2^68
2010-11-25	S530729	NF	no factor from 2^66 to 2^67
2010-11-21	-Anonymous-	NF	no factor from 2^65 to 2^66
2010-11-14	-Anonymous-	NF	no factor from 2^64 to 2^65
2008-09-19	Wojciech Florek	NF	no factor to 2^64