22 260 103 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 2⁷³

TF target 2⁶⁹

P-1

B1 =	1200000
B2 =	1460197200

Status	Date	User	Residue	Shift	Software
Verified	2004-07-13	Dennis Swaney	17F9C6B31AEE1D6C	11324045	Windows,Prime95,v23,(aka WZ1)
Bad	2009-12-06	Reed_Young	2033C45F625B4208	19440212	Linux 64-bit,Prime95,v25.9,build 4
Verified	2009-12-16	pomakis	17F9C6B31AEE1D6C	3673454	Linux 64-bit,Prime95,v25.9,build 4

History

Date	User	Type	Result
2025-08-25	Tha	NF-PM1	B1=1200000, B2=1460197200
2023-02-27	Sid & Andy	NF	no factor TF: 72-73
2022-09-13	Jon Pace	NF	no factor TF: 71-72
2021-09-13	mikr	NF	no factor TF: 70-71
2017-12-06	Tha	NF-PM1	B1=350000, B2=7000000, E=6
2017-05-14	ramgeis	NF	no factor TF: 68-69
2017-05-14	ramgeis	NF	no factor TF: 69-70
2017-05-01	ramgeis	NF	no factor TF: 67-68
2009-12-16	pomakis	C-LL	17F9C6B31AEE1D6C
2009-12-06	Reed_Young	C-LL	2033C45F625B4208
2004-07-13	-anonymous-	C-LL	17F9C6B31AEE1D6C
2004-06-21	-anonymous-	NF-PM1	B1=325000
2003-02-16	-anonymous-	NF	no factor TF: 1-67