66 148 373 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 =	590000
B2 =	11947500

Status	Date	User	Residue	Shift
Verified	2015-03-08	tintin42	4BA099EDD4B836C6	54023142
Verified	2023-08-29	Sergey Nosov	4BA099EDD4B836C6	32874793

History

Date	User	Type	Result
2023-08-29	Sergey Nosov	C-LL	4BA099EDD4B836C6
2021-10-20	Aerow	NF	no factor from 2^74 to 2^75
2015-03-08	tintin42	C-LL	4BA099EDD4B836C6
2014-03-23	TheJudger	NF-PM1	B1=590000, B2=11947500, E=12
2014-03-12	ktony	NF	no factor from 2^73 to 2^74
2014-03-12	ktony	NF	no factor from 2^72 to 2^73
2014-03-12	ktony	NF	no factor from 2^71 to 2^72
2013-05-01	SMoffat	NF	no factor from 2^70 to 2^71
2012-02-06	-Anonymous-	NF	no factor from 2^69 to 2^70
2010-01-30	-Anonymous-	NF	no factor from 2^68 to 2^69
2009-06-04	-Anonymous-	NF	no factor from 2^67 to 2^68
2009-04-02	-Anonymous-	NF	no factor from 2^66 to 2^67
2009-03-28	Sturle Sunde	NF	no factor from 2^65 to 2^66
2009-03-27	Sturle Sunde	NF	no factor from 2^64 to 2^65
2009-02-23	1997rj7	NF	no factor to 2^64