109 751 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

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

Trial Factored to 2⁶⁸

TF target 2⁴⁴

Factored

Factor	Digits	Bits	Date
219503	6	17.7	old
4092500634259731559	19	61.8	2010-02-14 13:32:30

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	729 / 1566

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)	2017-09-22	Oliver Kruse	444AB89212F7F9BF	2	0	1	3
Verified	No proof (small exponent)	2017-10-13	kkmrkkblmbrbk	444AB89212F7F9BF	2	73486	1	3
Verified	No proof (small exponent)	2020-04-17	Oliver Kruse	0C00121A6BD6841F	2	72044	5	3
Verified	Not Uploaded	2022-04-15	LordJulius	0C00121A6BD6841F	2	104059	5	3
Factored	Not Uploaded	2022-05-12	Jorge Coveiro	0C00121A6BD6841F	1	14330	5	3
Verified	Certified Good	2022-11-11	LordJulius	0C00121A6BD6841F	2	37845	5	3

History

Date	User	Type	Result
2026-02-11	Jason Lynch	NF-PM1	B1=894943000, B2=137332171046070
2025-12-17	ViliamF	NF-PM1	B1=100000000, B2=2386922057520
2022-11-11	curtisc	CERT	Proof certified good
2022-11-11	LordJulius	C-PRP	M109751/219503/4092500634259731559 : 0C00121A6BD6841F Proof Not Uploaded Proof Power: 5
2022-05-12	Jorge Coveiro	C-PRP	M109751/219503 : 0C00121A6BD6841F Proof Not Uploaded 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: 59-60
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	M109751/219503/4092500634259731559 : 0C00121A6BD6841F Proof Not Uploaded Proof Power: 5
2020-04-17	Oliver Kruse	C-PRP	M109751/219503/4092500634259731559 : 0C00121A6BD6841F
2017-10-13	kkmrkkblmbrbk	C-PRP	M109751/219503/4092500634259731559 : 444AB89212F7F9BF
2017-09-22	Oliver Kruse	C-PRP	M109751/219503/4092500634259731559 : 444AB89212F7F9BF
2017-09-21	Oliver Kruse	C-PRP	M109751/219503/4092500634259731559 : 444AB89212F7F9BF
2016-12-10	kkmrkkblmbrbk	NF-PM1	B1=100000000, B2=2000000000, E=12
2010-02-14	Rob_Dee	F-ECM	Factor: 4092500634259731559