57 931 007 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 =	11070000

Status	Date	User	Residue	Shift	Software
Verified	2013-11-27	Kyle Z Schmidt	B86D543CC8105803	51908519	Windows 64-bit,Prime95,v27.9,build 1
Verified	2021-06-08	AuspiciousLLama	B86D543CC8105803	44646154	Windows 64-bit,Prime95,v28.10,build 1

History

Date	User	Type	Result
2021-06-08	AuspiciousLLama	C-LL	B86D543CC8105803
2019-02-03	TheJudger	NF	no factor TF: 73-74
2016-02-23	Mark Rose	NF	no factor TF: 60-63
2013-11-27	Kyle Z Schmidt	C-LL	B86D543CC8105803
2012-10-19	Jatheski	NF-PM1	B1=540000, B2=11070000, E=6
2012-08-12	Kyle Askine	NF	no factor TF: 72-73
2012-06-13	Craig Meyers	NF	no factor TF: 71-72
2011-10-01	Geoff Wing	NF	no factor TF: 70-71
2011-06-21	Zet_kor	NF	no factor TF: 69-70
2011-05-04	MarekB	NF	no factor TF: 68-69
2009-11-27	unconnected	NF	no factor TF: 67-68
2009-01-16	kutens	NF	no factor TF: 66-67
2009-01-14	kutens	NF	no factor TF: 65-66
2009-01-13	kutens	NF	no factor TF: 64-65
2009-01-12	-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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