109 541 Exponent Status

PrimeNet Exponent Status

M_n

Details

Composite, with 5 known prime factors. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁴⁴

Factored

Factor	Digits	Bits	Date
876329	6	19.7	old
11131767615049	14	43.3	2008-07-26 09:17:10
121944962706692772233	21	66.7	2010-03-07 15:36:59
1152699126452572992607	22	70.0	2010-03-14 18:48:27
28137459914072228097196337	26	84.5	2010-06-01 19:19:52

ECM

Estimated T-Level: 32.3 ⓘ

TF below 2^102 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	F0E8429B8EC21CB7	5	0	1	3
Verified	No proof (small exponent)	2017-10-09	Chang Chia-Tche	F0E8429B8EC21CB7	5	0	1	3
Verified	No proof (small exponent)	2017-10-13	kkmrkkblmbrbk	F0E8429B8EC21CB7	5	88810	1	3
Verified	No proof (small exponent)	2020-04-17	Oliver Kruse	AA66E60BBC7F0D3F	5	97861	5	3
Verified	Not Uploaded	2022-04-15	LordJulius	AA66E60BBC7F0D3F	5	15966	5	3
Verified	Certified Good	2022-11-11	LordJulius	AA66E60BBC7F0D3F	5	41614	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=2384204282460
2022-11-11	curtisc	CERT	Proof certified good
2022-11-11	LordJulius	C-PRP	Proof Certified Good Proof Power: 5
2022-05-07	LordJulius	NF	no factor TF: 61-62
2022-05-07	LordJulius	NF	no factor TF: 62-63
2022-05-07	LordJulius	NF	no factor TF: 59-60
2022-05-07	LordJulius	NF	no factor TF: 60-61
2022-05-07	LordJulius	NF	no factor TF: 57-58
2022-05-07	LordJulius	NF	no factor TF: 58-59
2022-04-15	LordJulius	C-PRP	Proof Not Uploaded Proof Power: 5
2020-04-17	Oliver Kruse	C-PRP	M109541/876329/11131767615049/121944962706692772233/1152699126452572992607/28137459914072228097196337 : AA66E60BBC7F0D3F
2017-10-13	kkmrkkblmbrbk	C-PRP	M109541/876329/11131767615049/121944962706692772233/1152699126452572992607/28137459914072228097196337 : F0E8429B8EC21CB7
2017-10-09	Chang Chia-Tche	C-PRP	M109541/known_factors : F0E8429B8EC21CB7
2017-09-21	Oliver Kruse	C-PRP	M109541/876329/11131767615049/121944962706692772233/1152699126452572992607/28137459914072228097196337 : F0E8429B8EC21CB7
2017-09-21	Oliver Kruse	C-PRP	M109541/876329/11131767615049/121944962706692772233/1152699126452572992607/28137459914072228097196337 : F0E8429B8EC21CB7
2016-12-10	kkmrkkblmbrbk	NF-PM1	B1=100000000, B2=2000000000, E=12
2010-06-01	Rob_Dee	F-ECM	Factor: 28137459914072228097196337
2010-03-14	Rob_Dee	F-ECM	Factor: 1152699126452572992607
2010-03-07	Rob_Dee	F-ECM	Factor: 121944962706692772233
2008-07-26	J Feitsma	F	Factor: 11131767615049

Username
Password