6 979 117 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
133778642014245802892373061620769	33	106.7	2023-09-11 14:11:20

ECM

Digits	B1	Curves
25	50000	6 / 280

Estimated T-Level: 20.1 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Bad	1999-03-26	Kenneth W. Humrich	07CDA9A6834BD626	0
Verified (Factored)	2001-10-06	Eric Whitney	4A7428F8CB235285	1175982
Verified (Factored)	2002-01-02	Martin Traupe	4A7428F8CB235285	1310942

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2023-09-12	Naegi Makoto	A91D9841D3A06A59	1	2164850	5	3

P-1 factors

Date	Factor	B1	B2
2023-09-11	133778642014245802892373061620769	3500000	9616446840

History

Date	User	Type	Result
2023-09-12	curtisc	CERT	PRP Certification Proof certified good
2023-09-12	Naegi Makoto	C-PRP	M6979117/133778642014245802892373061620769 : A91D9841D3A06A59 PRP proof power = 8 PRP: Verified Proof certified good
2023-09-11	Tha	F-PM1	Factor: 133778642014245802892373061620769 / (P-1, B1=3500000, B2=9616446840)
2021-11-19	Seth_Tr	NF-PM1	B1=3000000, B2=75000000, E=12
2021-10-15	SRBase	NF	no factor from 2^71 to 2^72
2021-09-06	SRBase	NF	no factor from 2^70 to 2^71
2021-08-09	takahashi	NF	no factor from 2^69 to 2^70
2020-04-10	TJAOI	NF	no factor from 2^68 to 2^69
2018-02-27	-Anonymous-	NF	no factor from 2^67 to 2^68
2016-04-26	Gordon Spence	NF	no factor from 2^66 to 2^67
2015-07-03	VictordeHollander	NF	no factor from 2^65 to 2^66
2014-02-15	lycorn	NF	no factor from 2^64 to 2^65
2014-02-09	Nesowa	NF	no factor from 2^63 to 2^64
2011-05-16	Carsten Kossendey	NF-PM1	B1=440000, B2=13530000, E=12