109 469 Exponent Status

PrimeNet Exponent Status

M_n

Details

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

Trial Factored to 2⁶⁸

TF target 2⁴⁴

Factored

Factor	Digits	Bits	Date
924309487631106445637403604920521	33	109.5	2010-01-04 23:59:11

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	734 / 1566

Estimated T-Level: 32.3 ⓘ

TF below 2^102 is very unlikely to find new factors due to ECM effort.

Status	User	Residue	Shift	Software
Factored	Unknown	4A30	0	Unknown,(aka U)
Factored	Mike Gach	016CEEAF87C1CA30	0	Windows,Prime95,v11,(aka WC)
Factored	Brian J. Beesley	016CEEAF87C1CA30	0	Mac,John Sweeney,vLL1.0b1,(aka J4)
Factored	Eivind Triel	016CEEAF87C1CA30	28732	Windows,Prime95,v24 final,(aka Wc1)

PRP Cofactor

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	No proof (small exponent)	2017-09-21	Oliver Kruse	FD1C20D2DE633666	1	0	1	3
Verified	No proof (small exponent)	2017-10-13	kkmrkkblmbrbk	FD1C20D2DE633666	1	76996	1	3
Verified	No proof (small exponent)	2020-04-17	Oliver Kruse	4B264055B2903CCD	1	54944	5	3
Verified	Not Uploaded	2022-04-15	LordJulius	4B264055B2903CCD	1	91705	5	3
Verified	Certified Good	2022-11-11	LordJulius	4B264055B2903CCD	1	50487	5	3

History

Date	User	Type	Result
2026-02-10	Jason Lynch	NF-PM1	B1=894943000, B2=137332171046070
2025-12-17	ViliamF	NF-PM1	B1=100000000, B2=2947421827350
2022-11-11	Clogheen	CERT	Proof certified good
2022-11-11	LordJulius	C-PRP	Proof Certified Good Proof Power: 5
2022-05-07	LordJulius	NF	no factor TF: 62-63
2022-05-07	LordJulius	NF	no factor TF: 60-61
2022-05-07	LordJulius	NF	no factor TF: 61-62
2022-04-15	LordJulius	C-PRP	Proof Not Uploaded Proof Power: 5
2022-03-07	LordJulius	NF	no factor TF: 57-58
2022-03-07	LordJulius	NF	no factor TF: 54-55
2020-04-17	Oliver Kruse	C-PRP	M109469/924309487631106445637403604920521 : 4B264055B2903CCD
2017-10-13	kkmrkkblmbrbk	C-PRP	M109469/924309487631106445637403604920521 : FD1C20D2DE633666
2017-09-21	Oliver Kruse	C-PRP	M109469/924309487631106445637403604920521 : FD1C20D2DE633666
2017-09-21	Oliver Kruse	C-PRP	M109469/924309487631106445637403604920521 : FD1C20D2DE633666
2016-12-10	kkmrkkblmbrbk	NF-PM1	B1=100000000, B2=2000000000, E=12
2010-01-04	Colin Rattray-Wood	F-ECM	Factor: 924309487631106445637403604920521
2009-01-25	Sturle Sunde	NF	no factor TF: 59-60
2009-01-01	Sturle Sunde	NF	no factor TF: 58-59
2006-02-01	Joss	NF-PM1	B1=2000000
2003-09-29	-anonymous-	NF-PM1	B1=262144, B2=26214400, E=12
2003-02-02	-anonymous-	NF-PM1	B1=131072, B2=13107200, E=30
2002-07-20	-anonymous-	NF-PM1	B1=65536, B2=6553600, E=12
2002-06-02	-anonymous-	NF-PM1	B1=32768, B2=3276800
2002-05-05	-anonymous-	NF	no factor TF: 1-57
2001-01-08	-anonymous-	NF-PM1	B1=1000000, B2=25000000
2000-12-14	-anonymous-	NF	no factor TF: 1-56
2000-04-12	-anonymous-	NF	no factor TF: 1-54
1999-09-14	-anonymous-	NF	no factor TF: 52-53

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