57 914 947 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 =	540000
B2 =	10395000

Status	Date	User	Residue	Shift	Software
Verified	2013-11-26	Kyle Z Schmidt	C0F076230BD6D67D	14419485	Windows 64-bit,Prime95,v27.9,build 1
Verified	2021-07-23	rick	C0F076230BD6D67D	28412978	FreeBSD 64-bit,Prime95,v28.7,build 1

History

Date	User	Type	Result
2021-07-23	rick	C-LL	C0F076230BD6D67D
2019-02-03	TheJudger	NF	no factor TF: 73-74
2016-02-23	Mark Rose	NF	no factor TF: 60-63
2013-11-26	Kyle Z Schmidt	C-LL	C0F076230BD6D67D
2012-08-23	Kai.s0r	NF-PM1	B1=540000, B2=10395000
2012-08-12	Kyle Askine	NF	no factor TF: 72-73
2012-05-10	Jatheski	NF	no factor TF: 71-72
2011-09-29	RobertN	NF	no factor TF: 70-71
2011-09-29	RobertN	NF	no factor TF: 69-70
2011-09-29	RobertN	NF	no factor TF: 68-69
2009-12-02	usmfun	NF	no factor TF: 67-68
2009-03-13	Sturle Sunde	NF	no factor TF: 66-67
2009-03-12	Darko_Loncar	NF	no factor TF: 65-66
2009-03-11	Sturle Sunde	NF	no factor TF: 64-65
2008-12-16	-anonymous-	NF	no factor TF: 63-64
2003-11-08	Team Prime Rib	NF	no factor TF: 1-60
2002-12-02	-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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