37 899 221 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 2⁷¹

P-1

B1 =	555000
B2 =	13750000

Status	Date	User	Residue	Shift
Verified	2007-12-03	tsc	6E578BB9B4580ADC	2322367
Verified	2016-04-15	aurashift	6E578BB9B4580ADC	20524676

History

Date	User	Type	Result
2019-10-25	-Anonymous-	NF	no factor from 2^72 to 2^73
2019-10-25	-Anonymous-	NF	no factor from 2^71 to 2^72
2018-12-02	Dylan Delgado	NF-PM1	B1=555000, B2=13750000, E=6
2016-04-15	aurashift	C-LL	6E578BB9B4580ADC
2014-04-08	Jerry Hallett	NF	no factor from 2^70 to 2^71
2014-04-08	Jerry Hallett	NF	no factor from 2^69 to 2^70
2010-02-12	Carsten Kossendey	NF-PM1	B1=200000, B2=3850000, E=6