48 439 423 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	2010-01-09	curtisc	D9E6E92182741445	31231335
Verified	2019-05-18	Sergey Nosov	D9E6E92182741445	44342292

History

Date	User	Type	Result
2021-06-17	-Anonymous-	NF	no factor from 2^75 to 2^76
2021-06-17	-Anonymous-	NF	no factor from 2^74 to 2^75
2021-06-08	Sid & Andy	NF-PM1	B1=1500000, B2=45000000
2020-01-17	-Anonymous-	NF	no factor from 2^73 to 2^74
2019-05-18	Sergey Nosov	C-LL	D9E6E92182741445
2018-02-21	monst	NF	no factor from 2^72 to 2^73
2013-08-20	Architects Cubed	NF-PM1	B1=550000, B2=11412500, E=12
2013-08-18	Architects Cubed	NF	no factor from 2^71 to 2^72
2012-09-17	bcp19	NF	no factor from 2^70 to 2^71
2012-09-17	bcp19	NF	no factor from 2^69 to 2^70
2010-01-09	curtisc	C-LL	D9E6E92182741445