1 439 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite, with 5 known prime factors. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁴⁴

Factored

Factor	Digits	Bits	Date
2879	4	11.5	old
46049	5	15.5	old
172681	6	17.4	old
802732845007	12	39.5	old
70570366382050360064160741167	29	95.8	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	16550 / 16550
55	110000000	40830 / 40830
60	260000000	41621 / 105362

Estimated T-Level: 57.0 ⓘ

TF below 2^184 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	07E4EA8518EA394A	5	0	1	3
Verified	No proof (small exponent)	2017-10-02	kkmrkkblmbrbk	07E4EA8518EA394A	5	0	1	3
Verified	No proof (small exponent)	2017-12-07	ATH	07E4EA8518EA394A	5	194	1	3
Verified	No proof (small exponent)	2020-04-17	Oliver Kruse	F5FD78A7CDDF29CB	5	306	5	3
Verified	No proof (small exponent)	2020-08-12	_p95holder_	F5FD78A7CDDF29CB	5	34	5	3
Factored	No proof (small exponent)	2022-05-12	Jorge Coveiro	F5FD78A7CDDF29CB	1	383	5	3

History

Date	User	Type	Result
2022-05-12	Jorge Coveiro	C-PRP	M1439/2879 : F5FD78A7CDDF29CB
2021-07-20	ViliamF	NF-PP1	Start=2/7, B1=1000000000, B2=221000000000
2021-03-27	nordi	NF-PM1	B1=1000000000000, B2=2232843418649129478
2020-08-12	_p95holder_	C-PRP	M1439/2879/46049/172681/802732845007/70570366382050360064160741167 : F5FD78A7CDDF29CB
2020-04-17	Oliver Kruse	C-PRP	M1439/2879/46049/172681/802732845007/70570366382050360064160741167 : F5FD78A7CDDF29CB
2017-12-07	ATH	C-PRP	M1439/2879/46049/172681/802732845007/70570366382050360064160741167 : 07E4EA8518EA394A
2017-10-02	kkmrkkblmbrbk	C-PRP	M1439/2879/46049/172681/802732845007/70570366382050360064160741167 : 07E4EA8518EA394A
2017-09-21	Oliver Kruse	C-PRP	M1439/known_factors : 07E4EA8518EA394A
2016-09-07	kkmrkkblmbrbk	NF-PM1	B1=1000000000, B2=100000000000, E=12
2009-10-25	Carsten Kossendey	F	Factor: 22893195835351