57 974 569 Exponent Status

PrimeNet Exponent Status

M_n

Details

Composite: proven not-prime with Lucas-Lehmer test

No factors below 2⁷⁴

TF target 2⁷³

P-1

B1 =	715000
B2 =	715000

Status	Date	User	Residue	Shift	Software
Verified	2013-06-02	Reed_Young	E12FDB4277C97381	34674617	Linux 64-bit,Prime95,v26.6,build 3
Verified	2021-06-14	backroadrider	E12FDB4277C97381	2359428	Windows 64-bit,Prime95,v29.4,build 7

History

Date	User	Type	Result
2021-06-14	backroadrider	C-LL	E12FDB4277C97381
2019-02-03	TheJudger	NF	no factor TF: 73-74
2016-02-23	Mark Rose	NF	no factor TF: 60-63
2013-06-02	Reed_Young	C-LL	E12FDB4277C97381
2012-08-05	Chuck	NF	no factor TF: 72-73
2012-03-19	-anonymous-	NF-PM1	B1=715000
2011-10-14	phoenicis	NF	no factor TF: 71-72
2011-10-14	phoenicis	NF	no factor TF: 70-71
2011-07-20	ANONYMOUS	NF	no factor TF: 69-70
2011-04-27	-anonymous-	NF	no factor TF: 68-69
2009-05-30	Sturle Sunde	NF	no factor TF: 67-68
2008-11-01	Sturle Sunde	NF	no factor TF: 66-67
2008-10-29	Sturle Sunde	NF	no factor TF: 65-66
2008-10-28	cnaTb_xo4y	NF	no factor TF: 64-65
2008-10-25	Sturle Sunde	NF	no factor TF: 63-64
2003-11-08	Team Prime Rib	NF	no factor TF: 1-60
2002-11-24	-anonymous-	NF	no factor TF: 1-58
2001-09-30	-anonymous-	NF	no factor TF: 1-57
2000-06-23	-anonymous-	NF	no factor TF: 1-56
2000-03-08	-anonymous-	NF	no factor TF: 1-54
1999-12-23	-anonymous-	NF	no factor TF: 1-53

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