39 630 049 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 =	1500000
B2 =	45000000

Status	Date	User	Residue	Shift
Verified	2011-10-09	curtisc	BF8787A4ABD39BC7	35482754
Verified	2015-09-01	-Anonymous-	BF8787A4ABD39BC7	36018416

History

Date	User	Type	Result
2021-05-21	-Anonymous-	NF	no factor from 2^75 to 2^76
2021-05-15	-Anonymous-	NF	no factor from 2^74 to 2^75
2021-04-08	Sid & Andy	NF-PM1	B1=1500000, B2=45000000
2020-02-14	-Anonymous-	NF	no factor from 2^73 to 2^74
2019-10-11	-Anonymous-	NF	no factor from 2^72 to 2^73
2019-07-24	monst	NF	no factor from 2^71 to 2^72
2015-09-01	-Anonymous-	C-LL	BF8787A4ABD39BC7
2014-12-14	Xyzzy	NF	no factor from 2^70 to 2^71
2014-12-14	Xyzzy	NF	no factor from 2^69 to 2^70
2011-10-10	kurly	NF-PM1	B1=235000, B2=4465000, E=6
2011-10-09	curtisc	C-LL	BF8787A4ABD39BC7