39 014 389 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 =	3997500

Status	Date	User	Residue	Shift
Verified	2009-09-30	curtisc	33CDF08969550F4B	24472595
Verified	2015-02-12	bam	33CDF08969550F4B	9755644

History

Date	User	Type	Result
2019-10-11	-Anonymous-	NF	no factor from 2^72 to 2^73
2018-12-09	monst	NF	no factor from 2^71 to 2^72
2015-02-12	bam	C-LL	33CDF08969550F4B
2014-11-28	srow7	NF	no factor from 2^70 to 2^71
2014-11-18	NR	NF	no factor from 2^69 to 2^70
2010-06-23	Carsten Kossendey	NF-PM1	B1=205000, B2=3997500, E=6
2009-09-30	curtisc	C-LL	33CDF08969550F4B