26 230 069 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 2⁷⁵

TF target 2⁷⁰

P-1

B1 =	305000
B2 =	6023750

Status	Date	User	Residue	Shift	Software
Verified	2004-11-22	Jan Nijs	283630F85DAF1AB6	15520369	Linux 32-bit,Prime95,v23,(aka WZ2)
Verified	2012-04-08	Dubslow	283630F85DAF1AB6	0	CUDALucas v2.00

History

Date	User	Type	Result
2021-10-17	TheJudger	NF	no factor TF: 74-75
2021-09-30	TheJudger	NF	no factor TF: 73-74
2021-08-26	TheJudger	NF	no factor TF: 72-73
2021-08-26	TheJudger	NF	no factor TF: 71-72
2021-04-15	mikr	NF	no factor TF: 70-71
2017-04-05	ramgeis	NF	no factor TF: 69-70
2012-04-08	Dubslow	C-LL	283630F85DAF1AB6
2012-01-27	Bdot	NF	no factor TF: 68-69
2011-10-16	Chuck	NF	no factor TF: 67-68
2004-11-22	-anonymous-	C-LL	283630F85DAF1AB6
2004-10-18	-anonymous-	NF-PM1	B1=305000, B2=6023750
2004-07-26	arnaud	NF	no factor TF: 1-67