100 558 039 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime

No factors below 2⁷⁷

TF target 2⁷⁶

P-1

B1 =	725000
B2 =	21794000

Status	Date	User	Residue	Shift	Software
Unverified	2020-11-18	Yoon	8E60FD927E8502__	99926970	Linux 64-bit,Prime95,v29.8,build 6

History

Date	User	Type	Result
2025-07-13	Jurzal	NF	no factor TF: 76-77
2020-11-18	Yoon	C-LL	8E60FD927E8502__
2020-10-27	Simon Josefsson	NF-PM1	B1=725000, B2=21794000
2020-09-09	bpot	NF	no factor TF: 75-76
2020-09-09	bpot	NF	no factor TF: 74-75
2020-03-22	JoDu	NF	no factor TF: 73-74
2020-03-11	el grocco	NF	no factor TF: 72-73
2014-12-14	TerryMH	NF	no factor TF: 71-72
2014-06-16	g0b	NF	no factor TF: 70-71
2014-05-26	Satan	NF	no factor TF: 69-70
2014-05-22	SMoffat	NF	no factor TF: 68-69
2013-08-23	Le Comte	NF	no factor TF: 67-68
2011-03-21	Craig Meyers	NF	no factor TF: 66-67
2011-02-18	Craig Meyers	NF	no factor TF: 65-66
2010-08-10	Torchwood Institute	NF	no factor TF: 64-65
2010-02-14	1997rj7	NF	no factor TF: 63-64