44 351 023 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 =	535000
B2 =	14043750

Status	Date	User	Residue	Shift	Software
Verified	2009-06-27	S00030	BBCC2BAAF6A6F50B	527558	Linux 64-bit,Prime95,v25.9,build 4
Verified	2017-10-03	Dubslow	BBCC2BAAF6A6F50B	7840438	Linux 64-bit,Prime95,v28.7,build 1

History

Date	User	Type	Result
2022-04-10	TheJudger	NF	no factor TF: 73-74
2022-04-10	TheJudger	NF	no factor TF: 72-73
2017-10-03	Dubslow	C-LL	BBCC2BAAF6A6F50B
2015-10-02	-anonymous-	NF	no factor TF: 71-72
2015-10-02	-anonymous-	NF	no factor TF: 70-71
2015-07-04	David Campeau	NF	no factor TF: 69-70
2014-03-11	Axelsson	NF	no factor TF: 68-69
2009-06-27	S00030	C-LL	BBCC2BAAF6A6F50B
2009-04-07	S00030	NF-PM1	B1=535000, B2=14043750
2007-10-29	Leenstra_Bruce	NF	no factor TF: 1-68
2005-03-20	dave_0273	NF	no factor TF: 1-62