5 179 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite, with 3 known prime factors. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁴⁴

Factored

Factor	Digits	Bits	Date
248593	6	17.9	old
998770151	9	29.9	old
2674908178249903	16	51.2	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	13051 / 16550

Estimated T-Level: 48.9 ⓘ

TF below 2^158 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	E2CD8861D1F58A38	3	0	1	3
Verified	No proof (small exponent)	2017-10-12	kkmrkkblmbrbk	E2CD8861D1F58A38	3	1447	1	3
Verified	No proof (small exponent)	2020-04-17	Oliver Kruse	0A0968C718D3FECD	3	2752	5	3
Verified	No proof (small exponent)	2024-02-03	Wentao Huang	0A0968C718D3FECD	3	3954	5	3

History

Date	User	Type	Result
2025-04-23	masser	NF-PP1	Start=178/53, B1=2100000000, B2=2097900000000
2024-02-03	Wentao Huang	C-PRP	M5179/248593/998770151/2674908178249903 : 0A0968C718D3FECD
2023-06-16	-anonymous-	NF-PM1	B1=61000000000, B2=253675805559976800
2021-12-16	Oliver Kruse	NF-PM1	B1=1000000000, B2=1002849399191640
2021-12-15	ANONYMOUS	NF-PM1	B1=101101101, B2=242033299467960
2020-04-17	Oliver Kruse	C-PRP	M5179/248593/998770151/2674908178249903 : 0A0968C718D3FECD
2017-10-12	kkmrkkblmbrbk	C-PRP	M5179/248593/998770151/2674908178249903 : E2CD8861D1F58A38
2017-09-21	Oliver Kruse	C-PRP	M5179/248593/998770151/2674908178249903 : E2CD8861D1F58A38
2017-09-21	Oliver Kruse	C-PRP	M5179/248593/998770151/2674908178249903 : E2CD8861D1F58A38