5 779 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
924641	6	19.8	old
7843703926724983582378550484150765901951	40	132.5	2016-11-05 01:13:36

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	4939 / 16550

Estimated T-Level: 46.5 ⓘ

TF below 2^149 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)	2017-09-20	kkmrkkblmbrbk	A87022C41843B16C	2	0	1	3
Verified	No proof (small exponent)	2017-09-26	George Woltman	A87022C41843B16C	2	362	1	3
Verified	No proof (small exponent)	2017-10-02	kkmrkkblmbrbk	A87022C41843B16C	2	0	1	3
Verified	No proof (small exponent)	2020-04-17	Oliver Kruse	CE0AD6E261B94F81	2	4033	5	3
Verified	No proof (small exponent)	2024-02-03	Wentao Huang	CE0AD6E261B94F81	2	4935	5	3

History

Date	User	Type	Result
2025-05-26	masser	NF-PP1	Start=154/37, B1=1500000000, B2=1498500000000
2024-02-03	Wentao Huang	C-PRP	M5779/924641/7843703926724983582378550484150765901951 : CE0AD6E261B94F81
2023-07-20	-anonymous-	NF-PM1	B1=43000000000, B2=180124832351714250
2021-07-05	ViliamF	NF-PM1	B1=1000000000, B2=201000000000
2020-04-17	Oliver Kruse	C-PRP	M5779/924641/7843703926724983582378550484150765901951 : CE0AD6E261B94F81
2017-10-02	kkmrkkblmbrbk	C-PRP	M5779/924641/7843703926724983582378550484150765901951 : A87022C41843B16C
2017-09-26	George Woltman	C-PRP	M5779/924641/7843703926724983582378550484150765901951 : A87022C41843B16C
2017-09-20	kkmrkkblmbrbk	C-PRP	M5779/924641/7843703926724983582378550484150765901951 : A87022C41843B16C
2016-11-05	kkmrkkblmbrbk	F-ECM	Factor: 7843703926724983582378550484150765901951