58 345 723 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 2⁷³

P-1

B1 =	545000
B2 =	11036250

Status	Date	User	Residue	Shift	Software
Verified	2015-06-05	cuBerBruce	B54D1E3922F8BDB8	39462950	Windows 64-bit,Prime95,v28.5,build 2
Verified	2020-07-29	-anonymous-	B54D1E3922F8BDB8	3628407	Windows,Prime95,v29.8,build 6
Verified	2023-01-06	Reed_Young	B54D1E3922F8BDB8	34557101	Linux 64-bit,Prime95,v26.6,build 3

History

Date	User	Type	Result
2023-01-06	Reed_Young	C-LL	B54D1E3922F8BDB8
2020-07-29	-anonymous-	C-LL	B54D1E3922F8BDB8
2015-06-05	cuBerBruce	C-LL	B54D1E3922F8BDB8
2014-12-30	fre_games	NF	no factor TF: 73-74
2012-11-04	owftheevil	NF-PM1	B1=545000, B2=11036250, E=6
2012-09-22	ktony	NF	no factor TF: 72-73
2012-08-01	megavink	NF	no factor TF: 71-72
2008-11-18	ahmerali	NF	no factor TF: 1-71
2008-11-08	ahmerali	NF	no factor TF: 1-71
2008-10-28	Oleg V.Cat	NF	no factor TF: 63-64
2003-12-13	-anonymous-	NF	no factor TF: 1-61
2003-12-02	-anonymous-	NF	no factor TF: 1-61
2003-07-30	-anonymous-	NF	no factor TF: 1-59
2002-09-22	-anonymous-	NF	no factor TF: 1-58
2001-07-17	-anonymous-	NF	no factor TF: 1-57
2000-06-29	-anonymous-	NF	no factor TF: 1-56
2000-06-28	-anonymous-	NF	no factor TF: 1-56
2000-02-09	-anonymous-	NF	no factor TF: 1-54
1999-12-23	-anonymous-	NF	no factor TF: 1-53