332 209 313 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 2⁸¹

TF target 2⁸¹

P-1

B1 =	2980000
B2 =	82695000

Status	Date	User	Residue	Shift	Software
Bad	2020-03-24	Michel Yamagishi	D7C7803E03DDD21F	63623775	Windows 64-bit,Prime95,v29.8,build 5
Verified	2022-06-06	Kriesel	91E29942159A386A	0	gpuowl,v6.11-380-g79ea0cc
Verified	2022-10-05	MadPoo 🙂	91E29942159A386A	293058561	Windows 64-bit,Prime95,v30.3,build 6

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2022-10-05	MadPoo 🙂	C-LL	91E29942159A386A
2022-06-06	Kriesel	C-LL	91E29942159A386A
2020-09-27	Albrecht Heeffer	NF	no factor TF: 80-81
2020-09-17	Albrecht Heeffer	NF	no factor TF: 79-80
2020-08-01	Bill Staffen	NF	no factor TF: 78-79
2020-03-24	Michel Yamagishi	C-LL	D7C7803E03DDD21F
2018-06-24	CaptainEntropy	NF-PM1	B1=2980000, B2=82695000, E=6
2015-06-08	srow7	NF	no factor TF: 77-78
2015-06-08	srow7	NF	no factor TF: 76-77
2010-06-28	ANONYMOUS	NF	no factor TF: 75-76
2008-11-21	Max	NF	no factor TF: 74-75
2008-11-16	Max	NF	no factor TF: 73-74
2008-11-14	Max	NF	no factor TF: 72-73
2008-11-13	Max	NF	no factor TF: 71-72
2008-11-12	Max	NF	no factor TF: 70-71
2008-11-12	Max	NF	no factor TF: 69-70
2008-11-12	Max	NF	no factor TF: 68-69