43 359 859 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 =	525000
B2 =	10631250

Status	Date	User	Residue	Shift
Verified	2011-08-04	curtisc	9CA496DBEBA545DB	43083070
Verified	2017-12-08	Sergey Nosov	9CA496DBEBA545DB	5398188

History

Date	User	Type	Result
2021-03-06	-Anonymous-	NF	no factor from 2^75 to 2^76
2021-03-03	-Anonymous-	NF	no factor from 2^74 to 2^75
2019-12-30	-Anonymous-	NF	no factor from 2^73 to 2^74
2019-09-30	-Anonymous-	NF	no factor from 2^72 to 2^73
2017-12-08	Sergey Nosov	C-LL	9CA496DBEBA545DB
2012-03-01	David Campeau	NF-PM1	B1=525000, B2=10631250, E=6
2012-01-17	Tom Duell	NF	no factor from 2^71 to 2^72
2012-01-17	Tom Duell	NF	no factor from 2^70 to 2^71
2012-01-17	Tom Duell	NF	no factor from 2^69 to 2^70
2012-01-17	Tom Duell	NF	no factor from 2^68 to 2^69
2011-08-04	curtisc	C-LL	9CA496DBEBA545DB