2 683 Exponent Status

PrimeNet Exponent Status

M_n

Details

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

Trial Factored to 2⁶⁸

TF target 2⁴⁴

Assignments

Assigned	User	Work Type	Stage	% Done	Updated	Est Complete	Expired
2026-02-18	-anonymous-	ECM			2026-02-21	2026-02-23

Factored

Factor	Digits	Bits	Date
3019483344963149568756116899590804134821111103	46	151.1	old

ECM

Estimated T-Level: 51.2 ⓘ

TF below 2^165 is very unlikely to find new factors due to ECM effort.

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	No proof (small exponent)	2017-09-21	Oliver Kruse	65BFC6FC59D7F264	1	0	1	3
Verified	No proof (small exponent)	2017-10-02	kkmrkkblmbrbk	65BFC6FC59D7F264	1	0	1	3
Verified	No proof (small exponent)	2017-12-07	ATH	65BFC6FC59D7F264	1	603	1	3
Verified	No proof (small exponent)	2020-04-17	Oliver Kruse	B37A4C0E470F4FCF	1	1972	5	3
Verified	No proof (small exponent)	2024-02-03	Wentao Huang	B37A4C0E470F4FCF	1	1802	5	3

History

Date	User	Type	Result
2025-04-12	masser	NF-PP1	Start=194/61, B1=4300000000, B2=4295700000000
2024-06-09	masser	NF-PM1	B1=100000000000, B2=122252921622181350
2024-02-03	Wentao Huang	C-PRP	M2683/3019483344963149568756116899590804134821111103 : B37A4C0E470F4FCF
2021-07-05	ViliamF	NF-PM1	B1=1000000000, B2=191000000000
2020-04-17	Oliver Kruse	C-PRP	M2683/3019483344963149568756116899590804134821111103 : B37A4C0E470F4FCF
2017-12-07	ATH	C-PRP	M2683/3019483344963149568756116899590804134821111103 : 65BFC6FC59D7F264
2017-10-02	kkmrkkblmbrbk	C-PRP	M2683/3019483344963149568756116899590804134821111103 : 65BFC6FC59D7F264
2017-09-21	Oliver Kruse	C-PRP	M2683/known_factors : 65BFC6FC59D7F264
2003-01-16	Alex Kruppa	NF	no factor TF: 1-57
2002-12-31	-anonymous-	NF-PM1	B1=4290000000
2002-12-25	Alex Kruppa	NF	no factor TF: 1-57
2002-09-14	-anonymous-	NF-PM1	B1=3221225472, B2=4290000000, E=48
2002-08-03	-anonymous-	NF-PM1	B1=2147483648, B2=4290000000, E=48
2002-05-25	-anonymous-	NF-PM1	B1=1073741824, B2=4290000000
2001-06-03	-anonymous-	NF-PM1	B1=43000000, B2=4290000000
2001-06-03	-anonymous-	NF-PM1	B1=3000000000, B2=4290000000
2001-02-11	-anonymous-	NF-PM1	B1=1000000, B2=100000000
2000-08-10	-anonymous-	NF	no factor TF: 1-56
2000-02-01	-anonymous-	NF	no factor TF: 54-55
1999-12-23	-anonymous-	NF	no factor TF: 53-54
1999-09-22	-anonymous-	NF	no factor TF: 52-53

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