38 320 069 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 2⁷³

TF target 2⁷²

P-1

B1 =	205000
B2 =	3946250

Status	Date	User	Residue	Shift
Verified	2010-05-02	curtisc	5E0E7CF163571BE8	10910653
Verified	2015-10-13	AlbyJohnson	5E0E7CF163571BE8	13257868

History

Date	User	Type	Result
2022-06-23	RichD0	NF	no factor from 2^72 to 2^73
2018-12-26	monst	NF	no factor from 2^71 to 2^72
2015-10-13	AlbyJohnson	C-LL	5E0E7CF163571BE8
2014-11-30	NickOfTime	NF	no factor from 2^70 to 2^71
2014-11-22	Bdot	NF	no factor from 2^69 to 2^70
2010-06-15	Carsten Kossendey	NF-PM1	B1=205000, B2=3946250, E=6
2010-05-02	curtisc	C-LL	5E0E7CF163571BE8