30 781 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
184687	6	17.5	old
26355250470462033144192728081	29	94.4	2011-03-17 14:50:56
6793535373218187390955763662567	31	102.4	2017-07-14 15:24:42

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	1519 / 4588

Estimated T-Level: 36.7 ⓘ

TF below 2^117 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	648C38B56A7E05C0	3	0	1	3
Verified	2017-10-02	kkmrkkblmbrbk	648C38B56A7E05C0	3	0	1	3
Verified	2017-12-07	ATH	648C38B56A7E05C0	3	12511	1	3
Unverified	2020-04-17	Oliver Kruse	D6C1BD7D24CDAC__	3	8787	5	3

History

Date	User	Type	Result
2022-10-19	nordi	NF-PM1	B1=3000000000, B2=920287779501090
2022-10-05	nordi	NF-PM1	B1=3000000000
2020-04-17	Oliver Kruse	C-PRP	M30781/184687/26355250470462033144192728081/6793535373218187390955763662567 : D6C1BD7D24CDAC__ PRP without proof (small exponent)
2017-12-07	ATH	C-PRP	M30781/184687/26355250470462033144192728081/6793535373218187390955763662567 : 648C38B56A7E05C0 PRP without proof (small exponent)
2017-10-02	kkmrkkblmbrbk	C-PRP	M30781/184687/26355250470462033144192728081/6793535373218187390955763662567 : 648C38B56A7E05C0 PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M30781/184687/26355250470462033144192728081/6793535373218187390955763662567 : 648C38B56A7E05C0 PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M30781/184687/26355250470462033144192728081/6793535373218187390955763662567 : 648C38B56A7E05C0 PRP without proof (not generated)
2017-07-14	nordi	F-ECM	Factor: 6793535373218187390955763662567 / (ECM curve 14, B1=3000000, B2=300000000)
2016-10-06	kkmrkkblmbrbk	NF-PM1	B1=200000000, B2=5000000000, E=12
2011-03-17	James Hintz	F-ECM	Factor: 26355250470462033144192728081