36 641 989 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Composite: proven not-prime with Lucas-Lehmer test

No factors below 2⁷³

TF target 2⁷¹

P-1

B1 =	500000
B2 =	10000000

Status	Date	User	Residue	Shift	Software
Verified	2007-07-04	Menegoll	5F1DF7F5AE9F6720	16565068	Windows,Prime95,v23,(aka WZ1)
Verified	2016-07-25	Dubslow	5F1DF7F5AE9F6720	28255406	Linux 64-bit,Prime95,v28.7,build 1

History

Date	User	Type	Result
2019-10-18	-anonymous-	NF	no factor TF: 72-73
2019-10-18	-anonymous-	NF	no factor TF: 71-72
2016-07-25	Dubslow	C-LL	5F1DF7F5AE9F6720
2015-11-21	HBendtz	NF-PM1	B1=500000, B2=10000000, E=12
2014-11-17	MikeBerlin	NF	no factor TF: 70-71
2014-09-29	VictordeHollander	NF	no factor TF: 69-70
2007-07-04	-anonymous-	C-LL	5F1DF7F5AE9F6720
2007-04-23	-anonymous-	NF	no factor TF: 1-69
2006-11-09	Amperio	NF-PM1	B1=640000
2006-03-28	Team_Bundu	NF	no factor TF: 1-67
2001-01-08	Joss	NF	no factor TF: 1-52