72 993 607 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 =	705000
B2 =	19740000

Status	Date	User	Residue	Shift
Unverified	2017-05-29	basey	C5E46F91C477B5__	11313731

Assigned

Assigned	User	Work Type	Stage	% Done	Updated	Expired
2024-04-09	-Anonymous-	LL double-check		0.00 %	2024-04-09

History

Date	User	Type	Result
2017-05-29	basey	C-LL	C5E46F91C477B5__
2016-05-05	-Anonymous-	NF	no factor from 2^74 to 2^75
2014-07-30	c10ck3r	NF-PM1	B1=705000, B2=19740000, e=2
2014-07-18	NickOfTime	NF	no factor from 2^73 to 2^74
2014-07-18	NickOfTime	NF	no factor from 2^72 to 2^73
2014-07-18	NickOfTime	NF	no factor from 2^71 to 2^72
2013-07-09	SMoffat	NF	no factor from 2^70 to 2^71
2012-10-05	Choi4KANG	NF	no factor from 2^69 to 2^70
2010-06-20	S80_UK	NF	no factor from 2^68 to 2^69
2010-06-17	-Anonymous-	NF	no factor from 2^67 to 2^68
2010-06-08	-Anonymous-	NF	no factor from 2^66 to 2^67
2010-06-02	Reilly Grant	NF	no factor from 2^65 to 2^66
2010-05-28	-Anonymous-	NF	no factor from 2^64 to 2^65
2008-09-19	Wojciech Florek	NF	no factor to 2^64