77 380 397 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 2⁷⁵

TF target 2⁷⁴

P-1

B1 =	670000
B2 =	12730000

Status	Date	User	Residue	Shift	Software
Verified	2016-12-15	rdannels	7B94528534199427	77241518	Windows 64-bit,Prime95,v26,(aka We4)
Verified	2024-08-26	-anonymous-	7B94528534199427	39695759	Windows,Prime95,v28.5,build 2

History

Date	User	Type	Result
2024-08-26	-anonymous-	C-LL	7B94528534199427
2016-12-15	rdannels	C-LL	7B94528534199427
2016-03-09	Kevin Jaget	NF-PM1	B1=670000, B2=12730000
2016-02-21	AirSquirrels	NF	no factor TF: 74-75
2016-02-21	AirSquirrels	NF	no factor TF: 73-74
2016-02-21	AirSquirrels	NF	no factor TF: 72-73
2015-12-06	endless_mike	NF	no factor TF: 71-72
2011-12-18	ANONYMOUS	NF	no factor TF: 1-71
2011-01-27	Jason Dean	NF	no factor TF: 68-69
2011-01-01	Fred Cirera	NF	no factor TF: 67-68
2010-12-28	-anonymous-	NF	no factor TF: 66-67
2010-12-10	-anonymous-	NF	no factor TF: 65-66
2010-12-04	-anonymous-	NF	no factor TF: 64-65
2003-12-02	-anonymous-	NF	no factor TF: 1-61
2000-08-17	-anonymous-	NF	no factor TF: 1-53