53 958 089 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 2⁷⁶

TF target 2⁷³

P-1

B1 =	650000
B2 =	19662500

Status	Date	User	Residue	Shift
Verified	2013-06-16	curtisc	17F722362BF9BDB2	23344669
Verified	2020-07-16	manrus	17F722362BF9BDB2	43067094

History

Date	User	Type	Result
2020-07-16	manrus	C-LL	17F722362BF9BDB2
2020-06-28	-Anonymous-	NF	no factor from 2^75 to 2^76
2020-06-25	-Anonymous-	NF	no factor from 2^74 to 2^75
2019-05-18	Chuck	NF	no factor from 2^73 to 2^74
2016-02-13	AirSquirrels	NF	no factor from 2^72 to 2^73
2013-06-16	curtisc	C-LL	17F722362BF9BDB2
2012-05-10	Jerry Hallett	NF	no factor from 2^71 to 2^72
2011-09-18	Xyzzy	NF	no factor from 2^70 to 2^71
2011-07-17	Cyril Banderier	NF	no factor from 2^69 to 2^70
2011-06-06	Reboot It	NF	no factor from 2^68 to 2^69
2011-06-02	mgpainter	NF-PM1	B1=650000, B2=19662500, E=6
2009-07-09	nbeyer	NF	no factor from 2^67 to 2^68
2009-02-26	tmorrow	NF	no factor from 2^66 to 2^67
2009-02-24	tmorrow	NF	no factor from 2^65 to 2^66
2008-12-22	-Anonymous-	NF	no factor from 2^64 to 2^65
2008-09-29	-Anonymous-	NF	no factor to 2^64