5 869 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

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

Factored

Factor	Digits	Bits	Date
1182184688161	13	40.1	old

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	9201 / 9201
50	44000000	3255 / 16550

Estimated T-Level: 46.0 ⓘ

TF below 2^148 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-21	Oliver Kruse	C9FC440A34E06CA5	1	0	1	3
Verified	2017-10-12	kkmrkkblmbrbk	C9FC440A34E06CA5	1	938	1	3
Verified	2020-04-17	Oliver Kruse	9ED76DCD837A3585	1	4197	5	3
Verified	2024-02-03	Wentao Huang	9ED76DCD837A3585	1	4033	5	3

History

Date	User	Type	Result
2024-02-03	Wentao Huang	C-PRP	M5869/1182184688161 : 9ED76DCD837A3585 PRP: Verified PRP without proof (small exponent)
2023-07-23	-Anonymous-	NF-PM1	B1=42000000000, B2=171618937469779800
2021-07-06	ViliamF	NF-PM1	B1=1000000000, B2=201000000000
2020-04-17	Oliver Kruse	C-PRP	M5869/1182184688161 : 9ED76DCD837A3585 PRP: Verified PRP without proof (small exponent)
2017-10-12	kkmrkkblmbrbk	C-PRP	M5869/1182184688161 : C9FC440A34E06CA5 PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M5869/1182184688161 : C9FC440A34E06CA5 PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M5869/1182184688161 : C9FC440A34E06CA5 PRP without proof (not generated)