3 087 869 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
99255900685349589056838839	26	86.4	2020-12-29 05:48:07

ECM

Digits	B1	Curves
25	50000	32 / 280

Estimated T-Level: 20.6 ⓘ

TF below 2^63 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Scott Kurowski	4D3260E156401BF4	0
Verified (Factored)	1999-09-07	Mauro A. Gonzalez Kriskovich	4D3260E156401BF4	128453

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-12-29	firejuggler	B26C603BB517E0B9	1	2436632	5	3
Verified	2020-12-29	Niels_Mache_Nextcloud	B26C603BB517E0B9	1	38815	5	3

History

Date	User	Type	Result
2022-02-20	Joss	NF-PM1	B1=1000000, B2=128282700
2020-12-30	Ben Delo	CERT	PRP Certification Proof certified good
2020-12-29	Niels_Mache_Nextcloud	C-PRP	M3087869/99255900685349589056838839 : B26C603BB517E0B9 PRP proof power = 7 PRP: Verified Proof certified good
2020-12-29	curtisc	CERT	PRP Certification Proof certified good
2020-12-29	firejuggler	C-PRP	M3087869/99255900685349589056838839 : B26C603BB517E0B9 PRP proof power = 7 PRP: Verified Proof certified good
2020-12-29	daveward2005	F-ECM	Factor: 99255900685349589056838839 / (ECM curve 3, B1=50000, B2=5000000, Sigma=8565565268613665)
2018-08-13	ramgeis	NF	no factor from 2^67 to 2^68
2018-04-08	mikr	NF-PM1	B1=3000000, B2=100000000, E=12
2017-05-18	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-04-15	Joss	NF-PM1	B1=200000, B2=6180794, E=6
2015-06-08	Tha	NF	no factor from 2^65 to 2^66
2015-02-07	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-07	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-01-03	dbaugh	NF	no factor from 2^62 to 2^63
2011-11-21	Sid & Andy	NF	no factor from 2^61 to 2^62
2011-08-14	USAFSS	NF-PM1	B1=100000, B2=2125000, E=6
2009-07-03	Carsten Kossendey	NF-PM1	B1=15000, B2=180000
2009-02-12	Sturle Sunde	NF	no factor from 2^60 to 2^61