33 600 877 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 2⁷¹

P-1

B1 =	213000
B2 =	152924310

Status	Date	User	Residue	Shift	Software
Verified	2008-03-30	Serge Batalov	97A2A2D3914C6CFC	4536710	Windows,Prime95,v25 beta,(aka Wd1)
Verified	2008-04-27	Serge Batalov	97A2A2D3914C6CFC	3415157	Windows 64-bit,Prime95,v25.6,build 6
Verified	2015-04-18	MadPoo 🙂	97A2A2D3914C6CFC	820848	Windows 64-bit,Prime95,v26,(aka We4)

History

Date	User	Type	Result
2024-11-03	tsc	NF-PM1	B1=213000, B2=152924310
2020-04-18	-anonymous-	NF	no factor TF: 73-74
2019-12-26	-anonymous-	NF	no factor TF: 71-72
2019-12-26	-anonymous-	NF	no factor TF: 72-73
2015-04-18	MadPoo 🙂	C-LL	97A2A2D3914C6CFC
2015-01-27	Nesowa	NF	no factor TF: 70-71
2013-12-01	sasaki	NF	no factor TF: 69-70
2008-04-27	Serge Batalov	C-LL	97A2A2D3914C6CFC
2008-04-24	Serge Batalov	NF	no factor TF: 68-69
2008-04-24	Serge Batalov	NF	no factor TF: 67-68
2008-04-24	Serge Batalov	NF	no factor TF: 1-69
2008-03-29	Serge Batalov	C-LL	97A2A2D3914C6CFC
2003-06-06	markr	NF	no factor TF: 1-64