37 407 217 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 2⁷⁴

TF target 2⁷¹

P-1

B1 =	195000
B2 =	3900000

Status	Date	User	Residue	Shift
Verified	2005-09-22	Marvin Ray Burns	07019983AEBE8C2D	4437985
Verified	2016-07-12	Joel w	07019983AEBE8C2D	30177442

History

Date	User	Type	Result
2020-01-25	-Anonymous-	NF	no factor from 2^73 to 2^74
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
2016-07-12	Joel w	C-LL	07019983AEBE8C2D
2016-02-23	Mark Rose	NF	no factor from 2^61 to 2^63
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^61
2014-11-26	1997rj7	NF	no factor from 2^70 to 2^71
2014-10-31	VictordeHollander	NF	no factor from 2^69 to 2^70
2012-05-13	Xyzzy	NF	no factor from 2^68 to 2^69
2012-05-13	Xyzzy	NF	no factor from 2^67 to 2^68
2009-03-29	Lekar	NF	no factor from 2^66 to 2^67
2009-03-29	Lekar	NF	no factor from 2^65 to 2^66
2009-01-23	Carsten Kossendey	NF	no factor from 2^64 to 2^65
2009-01-23	Carsten Kossendey	NF	no factor from 2^63 to 2^64