2 119 367 Exponent Status

PrimeNet Exponent Status

M_n

Details

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

Trial Factored to 2⁶⁸

TF target 2⁶²

Factored

Factor	Digits	Bits	Date
4232803921180054872594113	25	81.8	2020-01-27 20:03:24

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	196 / 640

Estimated T-Level: 26.5 ⓘ

TF below 2^83 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift	Software
Factored		Timo Aaltonen and friends	649ABF24FB5D754C	0	Windows 16-bit,Prime95,v13,PFA,(aka WP0)
Factored	1999-01-29	David Underbakke	649ABF24FB5D754C	954748	Windows,Prime95,v17,(aka WT1)
Factored	2018-04-04	kkmrkkblmbrbk	649ABF24FB5D754C	499930	Windows 64-bit,Prime95,v29.4,build 5

Status	Proof	Date	User	Residue	Shift	Type	Base
Factored	Certified Good Power=7	2026-09-16	Jason Lynch	6EBD3E782526BA2F	300022	1	3

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2020-01-28	Niels_Mache_Nextcloud	6EBD3E782526BA2F	1	1341405	5	3
Verified	PRP without proof (not generated)	2020-01-29	marssystems	6EBD3E782526BA2F	1	1502797	5	3

History

Date	User	Type	Result
2026-09-16	Michael Bahlen	CERT	Proof certified good
2026-09-16	Jason Lynch	C-PRP	6EBD3E782526BA2F Proof Certified Good Proof Power: 7
2020-01-29	marssystems	C-PRP	M2119367/4232803921180054872594113 : 6EBD3E782526BA2F
2020-01-28	Niels_Mache_Nextcloud	C-PRP	M2119367/4232803921180054872594113 : 6EBD3E782526BA2F
2020-01-27	EricP	F-ECM	Factor: 4232803921180054872594113 / ECM curve 1, B1=50000, B2=5000000, Montgomery Sigma=7332405039406308
2019-05-06	TJAOI	NF	no factor TF: 67-68
2018-04-04	kkmrkkblmbrbk	C-LL	649ABF24FB5D754C
2017-08-18	mikr	NF-PM1	B1=2500000, B2=125000000, E=12
2017-06-28	Joss	NF-PM1	B1=447216, B2=4472160, E=6
2017-06-09	Joss	NF-PM1	B1=372680, B2=3726800, E=6
2016-11-11	Joss	NF-PM1	B1=223608
2016-10-15	Gordon Spence	NF	no factor TF: 66-67
2016-07-24	Joss	NF-PM1	B1=186340, B2=6020000, E=12
2016-02-23	Mark Rose	NF	no factor TF: 58-60
2016-01-06	ramgeis	NF	no factor TF: 65-66
2015-03-15	VictordeHollander	NF	no factor TF: 64-65
2015-03-15	VictordeHollander	NF	no factor TF: 63-64
2013-09-06	ramgeis	NF	no factor TF: 62-63
2012-04-02	Sebastian Hornbostel	NF	no factor TF: 61-62
2011-01-25	James Heinrich	NF-PM1	B1=140000, B2=3010000, E=6
2011-01-11	Joss	NF-PM1	B1=50000
2010-12-30	Joss	NF-PM1	B1=30000
2009-08-02	USAFSS	NF-PM1	B1=20000, B2=260000
2009-01-03	Sturle Sunde	NF	no factor TF: 60-61
2003-07-21	-anonymous-	NF-PM1	B1=2048, B2=204800
1999-01-29	-anonymous-	C-LL	649ABF24FB5D754C
1999-01-17	-anonymous-	NF	no factor TF: 1-58

Username
Password