72 699 031 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 =	620000
B2 =	11315000

Status	Date	User	Residue	Shift
Unverified	2016-04-25	frolyar	10ABEA06509AAC__	41945219

Assigned

Assigned	User	Work Type	Stage	% Done	Updated	Expired
2024-03-30	-Anonymous-	LL double-check		0.00 %	2024-03-30

History

Date	User	Type	Result
2016-04-25	frolyar	C-LL	10ABEA06509AAC__
2015-09-02	markr	NF-PM1	B1=620000, B2=11315000
2015-08-23	TheJudger	NF	no factor from 2^74 to 2^75
2015-08-23	TheJudger	NF	no factor from 2^73 to 2^74
2015-08-18	Fredrik	NF	no factor from 2^72 to 2^73
2013-08-08	nate.anders	NF	no factor from 2^71 to 2^72
2013-08-08	nate.anders	NF	no factor from 2^70 to 2^71
2013-08-08	nate.anders	NF	no factor from 2^69 to 2^70
2010-06-23	tmorrow	NF	no factor from 2^68 to 2^69
2010-06-14	tmorrow	NF	no factor from 2^67 to 2^68
2010-06-04	tmorrow	NF	no factor from 2^66 to 2^67
2010-05-24	GrunwalderGIMP	NF	no factor from 2^65 to 2^66
2010-05-23	Dave M. - Tosa	NF	no factor from 2^64 to 2^65
2008-09-19	Wojciech Florek	NF	no factor to 2^64