42 699 823 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	2008-10-05	Stephan Grupp	967FD51A144FBD87	17626839
Verified	2016-04-12	d3zorg	967FD51A144FBD87	33613921

History

Date	User	Type	Result
2021-06-28	-Anonymous-	NF	no factor from 2^75 to 2^76
2021-05-21	Yves de Wandelaar	NF	no factor from 2^74 to 2^75
2021-04-04	Sid & Andy	NF-PM1	B1=1500000, B2=45000000
2020-01-17	-Anonymous-	NF	no factor from 2^73 to 2^74
2018-10-08	Random GPUs	NF	no factor from 2^72 to 2^73
2016-04-12	d3zorg	C-LL	967FD51A144FBD87
2015-09-01	-Anonymous-	NF	no factor from 2^71 to 2^72
2015-04-16	kracker	NF	no factor from 2^70 to 2^71
2014-08-03	Grant McCracken	NF	no factor from 2^69 to 2^70
2014-01-07	Torben K.	NF	no factor from 2^68 to 2^69