56 710 217 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 2⁷³

P-1

B1 =	570000
B2 =	12397500

Status	Date	User	Residue	Shift
Verified	2013-02-24	arnaud	97F00967021E744B	48075285
Verified	2021-04-29	Sergey Nosov	97F00967021E744B	48092256

History

Date	User	Type	Result
2021-04-29	Sergey Nosov	C-LL	97F00967021E744B
2020-10-11	ViliamF	NF	no factor from 2^74 to 2^75
2018-10-09	Sid & Andy	NF	no factor from 2^73 to 2^74
2016-02-23	Mark Rose	NF	no factor from 2^61 to 2^63
2016-01-08	-Anonymous-	NF	no factor from 2^72 to 2^73
2013-02-24	arnaud	C-LL	97F00967021E744B
2012-08-19	TheJudger	NF-PM1	B1=570000, B2=12397500, E=12
2012-04-11	Craig Meyers	NF	no factor from 2^71 to 2^72
2011-10-08	-Anonymous-	NF	no factor from 2^70 to 2^71
2011-06-10	Eric Christenson	NF	no factor from 2^69 to 2^70
2011-04-17	GrunwalderGIMP	NF	no factor from 2^68 to 2^69
2009-05-23	Cow_tipping	NF	no factor from 2^67 to 2^68
2008-08-08	Sturle Sunde	NF	no factor from 2^66 to 2^67
2008-08-06	Sturle Sunde	NF	no factor from 2^65 to 2^66
2008-08-06	Sturle Sunde	NF	no factor from 2^64 to 2^65
2008-08-05	Sturle Sunde	NF	no factor from 2^63 to 2^64