44 764 189 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 2⁷⁴

TF target 2⁷²

P-1

B1 =	520000
B2 =	9880000

Status	Date	User	Residue	Shift	Software
Verified	2009-06-08	Kyle Z Schmidt	5850814A36CCB25F	21397640	Windows,Prime95,v24 final,(aka Wc1)
Verified	2018-04-18	David Barina	5850814A36CCB25F	8356064	Linux 64-bit,Prime95,v28.10,build 1

History

Date	User	Type	Result
2024-06-25	Greg	NF	no factor TF: 71-72
2024-06-20	James Heinrich	NF	no factor TF: 69-70
2019-11-18	Sid & Andy	NF	no factor TF: 73-74
2018-04-18	David Barina	C-LL	5850814A36CCB25F
2018-03-25	Andrew B	NF	no factor TF: 72-73
2015-10-23	-anonymous-	NF	no factor TF: 71-72
2015-10-07	VictordeHollander	NF	no factor TF: 70-71
2015-08-04	Carsten Kossendey	NF	no factor TF: 69-70
2014-07-02	NR	NF	no factor TF: 68-69
2009-06-08	Kyle Z Schmidt	C-LL	5850814A36CCB25F
2009-04-22	Kyle Z Schmidt	NF-PM1	B1=520000, B2=9880000
2007-11-17	tmorrow	NF	no factor TF: 1-68