53 925 197 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 =	635000
B2 =	17462500

Status	Date	User	Residue	Shift
Verified	2012-10-10	RMAC9.5	E2287B84C465485B	28394129
Verified	2020-07-22	Sergey Nosov	E2287B84C465485B	8697427

History

Date	User	Type	Result
2020-07-22	Sergey Nosov	C-LL	E2287B84C465485B
2020-06-27	-Anonymous-	NF	no factor from 2^75 to 2^76
2020-06-25	-Anonymous-	NF	no factor from 2^74 to 2^75
2019-07-10	lobsterfordinner	NF	no factor from 2^73 to 2^74
2016-01-28	AirSquirrels	NF	no factor from 2^72 to 2^73
2012-10-10	RMAC9.5	C-LL	E2287B84C465485B
2012-05-03	bcp19	NF	no factor from 2^71 to 2^72
2011-09-08	Xyzzy	NF	no factor from 2^70 to 2^71
2011-05-15	Paul Leyland	NF	no factor from 2^69 to 2^70
2011-04-28	Aldo_Grid	NF	no factor from 2^68 to 2^69
2011-04-10	TheJudger	NF-PM1	B1=635000, B2=17462500
2009-08-01	trif	NF	no factor from 2^67 to 2^68
2009-03-03	glennpat	NF	no factor from 2^66 to 2^67
2009-02-26	glennpat	NF	no factor from 2^65 to 2^66
2009-02-25	Jtrefil	NF	no factor from 2^64 to 2^65
2008-09-14	-Anonymous-	NF	no factor to 2^64