39 305 767 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 2⁷²

P-1

B1 =	475000
B2 =	13537500

Status	Date	User	Residue	Shift
Verified	2009-10-13	Ra	46F0F6FCFCA9EC6A	6945355
Verified	2016-11-25	Sergey Nosov	46F0F6FCFCA9EC6A	10538481

History

Date	User	Type	Result
2020-12-21	-Anonymous-	NF	no factor from 2^75 to 2^76
2020-12-19	-Anonymous-	NF	no factor from 2^74 to 2^75
2020-02-14	-Anonymous-	NF	no factor from 2^73 to 2^74
2019-10-12	-Anonymous-	NF	no factor from 2^72 to 2^73
2019-07-11	monst	NF	no factor from 2^71 to 2^72
2016-11-25	Sergey Nosov	C-LL	46F0F6FCFCA9EC6A
2014-12-13	Gordon Spence	NF	no factor from 2^70 to 2^71
2014-12-02	Mark Rose	NF	no factor from 2^69 to 2^70
2013-09-27	Carsten Kossendey	NF	no factor from 2^68 to 2^69
2009-10-13	Ra	C-LL	46F0F6FCFCA9EC6A
2009-09-13	Ra	NF-PM1	B1=475000, B2=13537500, E=6