2 944 709 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 2 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
977421837151463968096323383	27	89.7	2022-11-06 22:38:06
3497362970559580926461223756498259766199409	43	141.3	2022-11-12 12:37:12

ECM

Digits	B1	Curves
25	50000	264 / 280

Estimated T-Level: 24.7 ⓘ

TF below 2^77 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Marco Voerman	3E941E4ACFD1385D	0
Verified (Factored)	1999-05-09	Andrew Haveland-Robinson	3E941E4ACFD1385D	1847735
Verified (Factored)	2018-10-11	kkmrkkblmbrbk	3E941E4ACFD1385D	1126111

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2022-11-11	riccardo uberti	704FF202FC92C4E3	1	806482	5	3
Verified	2022-11-12	riccardo uberti	704FF202FC92C4E3	2	1540904	5	3

P-1 factors

Date	Factor	B1	B2
2022-11-06	977421837151463968096323383	1200000	3372218850
2022-11-12	3497362970559580926461223756498259766199409	15000000	104505841440

History

Date	User	Type	Result
2022-11-15	riccardo uberti	NF-PP1	Start=6/5, B1=5750000, B2=120000000
2022-11-14	riccardo uberti	NF-PP1	Start=2/7, B1=5000000, B2=100000000
2022-11-12	MatiasCardullo	CERT	PRP Certification Proof certified good
2022-11-12	riccardo uberti	C-PRP	M2944709/977421837151463968096323383/3497362970559580926461223756498259766199409 : 704FF202FC92C4E3 PRP proof power = 7 PRP: Verified Proof certified good
2022-11-12	riccardo uberti	F-PM1	Factor: 3497362970559580926461223756498259766199409 / (P-1, B1=15000000, B2=104505841440)
2022-11-12	Evans Paschal	CERT	PRP Certification Proof certified good
2022-11-11	riccardo uberti	C-PRP	M2944709/977421837151463968096323383 : 704FF202FC92C4E3 PRP proof power = 7 PRP: Verified (Factored) Proof certified good
2022-11-06	Joss	F-PM1	Factor: 977421837151463968096323383 / (P-1, B1=1200000, B2=3372218850)
2021-05-19	TJAOI	NF	no factor from 2^68 to 2^69
2018-12-24	chuenkit	NF	no factor from 2^67 to 2^68
2018-10-11	kkmrkkblmbrbk	C-LL	3E941E4ACFD1385D
2017-11-28	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-02-24	ramgeis	NF	no factor from 2^65 to 2^66
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^60
2015-04-29	VictordeHollander	NF-PM1	B1=1000000, B2=20000000, E=12
2015-04-27	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-04-27	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-01-07	dbaugh	NF	no factor from 2^62 to 2^63
2011-12-24	markr	NF	no factor from 2^61 to 2^62
2010-11-05	markr	NF-PM1	B1=105000, B2=2310000, E=6
2009-02-13	Sturle Sunde	NF	no factor from 2^60 to 2^61

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