22 786 969 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 2⁶⁹

P-1

B1 =	260000
B2 =	5265000

Status	Date	User	Residue	Shift	Software
Verified	2004-07-02	Jim Hulsey	F1EDC6F5169CA7EF	15295040	Windows,Prime95,v23,(aka WZ1)
Verified	2010-03-11	Reed_Young	F1EDC6F5169CA7EF	14667897	Linux 64-bit,Prime95,v25.9,build 4

History

Date	User	Type	Result
2021-09-16	TheJudger	NF	no factor TF: 73-74
2021-09-06	TheJudger	NF	no factor TF: 72-73
2021-09-06	TheJudger	NF	no factor TF: 71-72
2021-09-06	TheJudger	NF	no factor TF: 70-71
2017-08-22	ramgeis	NF	no factor TF: 68-69
2017-08-22	ramgeis	NF	no factor TF: 69-70
2017-05-01	ramgeis	NF	no factor TF: 67-68
2010-03-11	Reed_Young	C-LL	F1EDC6F5169CA7EF
2004-07-02	Jim Hulsey	C-LL	F1EDC6F5169CA7EF
2004-06-21	Jim Hulsey	NF-PM1	B1=260000, B2=5265000
2004-01-18	kutens	NF	no factor TF: 1-67