233 687 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 1 known prime factor. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
2404390130607094530431343178801	31	100.9	2016-03-16 16:21:37

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	189 / 1566

Estimated T-Level: 30.6 ⓘ

TF below 2^97 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Unknown	6697	0
Verified (Factored)		John Sweeney	736B7906593D6697	0
Verified (Factored)		Mike Gach	736B7906593D6697	0
Verified (Factored)		Eivind Triel	736B7906593D6697	53549

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-22	Oliver Kruse	3A3258199E27783E	1	0	1	3
Verified	2017-10-12	kkmrkkblmbrbk	3A3258199E27783E	1	176683	1	3
Verified	2020-04-17	Oliver Kruse	8E8207F2FFC36F81	1	75282	5	3
Verified	2024-02-03	Wentao Huang	8E8207F2FFC36F81	1	128397	5	3

History

Date	User	Type	Result
2024-02-03	Naegi Makoto	CERT	PRP Certification Proof certified good
2024-02-03	Wentao Huang	C-PRP	M233687/2404390130607094530431343178801 : 8E8207F2FFC36F81 PRP proof power = 5 PRP: Verified Proof certified good
2022-03-07	LordJulius	NF	no factor from 2^54 to 2^55
2020-04-17	Oliver Kruse	C-PRP	M233687/2404390130607094530431343178801 : 8E8207F2FFC36F81 PRP: Verified PRP without proof (small exponent)
2017-10-12	kkmrkkblmbrbk	C-PRP	M233687/2404390130607094530431343178801 : 3A3258199E27783E PRP: Verified PRP without proof (small exponent)
2017-09-22	Oliver Kruse	C-PRP	M233687/2404390130607094530431343178801 : 3A3258199E27783E PRP: Verified PRP without proof (not generated)
2017-09-22	Oliver Kruse	C-PRP	M233687/2404390130607094530431343178801 : 3A3258199E27783E PRP without proof (not generated)
2016-03-16	lettp	F-ECM	Factor: 2404390130607094530431343178801 / (ECM curve 3, B1=250000, B2=25000000)
2016-02-23	Mark Rose	NF	no factor from 2^57 to 2^58
2016-01-22	Joss	NF-PM1	B1=41611125, B2=416111250, E=12
2016-01-10	Gordon Spence	NF	no factor from 2^63 to 2^64
2016-01-10	Gordon Spence	NF	no factor from 2^62 to 2^63
2015-07-16	snme2pm1	NF	no factor from 2^61 to 2^62
2013-10-11	David Campeau	NF-PM1	B1=2745000, B2=79605000, E=12
2013-07-19	lycorn	NF	no factor from 2^60 to 2^61
2012-02-26	Joss	NF-PM1	B1=2735070
2011-07-24	Joss	NF-PM1	B1=2188056
2009-01-24	Sturle Sunde	NF	no factor from 2^59 to 2^60
2008-12-31	Sturle Sunde	NF	no factor from 2^58 to 2^59