64 949 897 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 =	625000
B2 =	12968750

Status	Date	User	Residue	Shift
Verified	2014-12-01	curtisc	57DB21A9DF3E4AC5	63656243
Verified	2023-05-30	Sergey Nosov	57DB21A9DF3E4AC5	42796609

History

Date	User	Type	Result
2023-05-30	Sergey Nosov	C-LL	57DB21A9DF3E4AC5
2022-09-29	La Güira	NF	no factor from 2^74 to 2^75
2016-02-23	Mark Rose	NF	no factor from 2^60 to 2^63
2014-12-01	curtisc	C-LL	57DB21A9DF3E4AC5
2014-01-19	axn	NF	no factor from 2^73 to 2^74
2014-01-17	Bdot	NF-PM1	B1=625000, B2=12968750, E=6
2013-12-19	electron1897	NF	no factor from 2^72 to 2^73
2013-12-02	JoDu	NF	no factor from 2^71 to 2^72
2012-06-06	sikafarmi_rendering_farm	NF	no factor from 2^70 to 2^71
2012-01-12	Kent Rogers	NF	no factor from 2^69 to 2^70
2009-12-18	-Anonymous-	NF	no factor from 2^68 to 2^69
2009-03-27	-Anonymous-	NF	no factor from 2^67 to 2^68
2009-03-25	-Anonymous-	NF	no factor from 2^66 to 2^67
2009-03-23	ANONYMOUS	NF	no factor from 2^65 to 2^66
2009-03-23	sannerud.com	NF	no factor from 2^64 to 2^65
2009-03-19	blackivory	NF	no factor from 2^63 to 2^64