5 807 Exponent Status

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

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
139369	6	17.1	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	3241 / 16550

Estimated T-Level: 46.0 ⓘ

TF below 2^148 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	FEE5CDF781C1BC2B	1	0	1	3
Verified	No proof (small exponent)	2017-10-12	kkmrkkblmbrbk	FEE5CDF781C1BC2B	1	2284	1	3
Verified	No proof (small exponent)	2020-04-17	Oliver Kruse	5BA31BD76B718A7A	1	508	5	3
Verified	No proof (small exponent)	2024-02-03	Wentao Huang	5BA31BD76B718A7A	1	3979	5	3

History

Date	User	Type	Result
2025-11-11	mikr	NF-PM1	B1=500000000000, B2=2282026584550232520
2025-05-28	masser	NF-PP1	Start=143/19, B1=1500000000, B2=1498500000000
2024-02-03	Wentao Huang	C-PRP	M5807/139369 : 5BA31BD76B718A7A
2023-07-21	-anonymous-	NF-PM1	B1=43000000000, B2=180123354312952050
2021-07-05	ViliamF	NF-PM1	B1=1000000000, B2=201000000000
2020-04-17	Oliver Kruse	C-PRP	M5807/139369 : 5BA31BD76B718A7A
2017-10-12	kkmrkkblmbrbk	C-PRP	M5807/139369 : FEE5CDF781C1BC2B
2017-09-21	Oliver Kruse	C-PRP	M5807/139369 : FEE5CDF781C1BC2B
2017-09-21	Oliver Kruse	C-PRP	M5807/139369 : FEE5CDF781C1BC2B