369 181 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
791462783791446735967	21	69.4	2014-10-24 12:47:21
229963203383830715832795703	27	87.6	2007-12-25 03:46:11

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	200 / 640

Estimated T-Level: 26.6 ⓘ

TF below 2^83 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-23	Oliver Kruse	4530142C995DB8AB	2	0	1	3
Verified	2017-10-13	Oliver Kruse	4530142C995DB8AB	2	206051	1	3
Verified	2017-12-15	ATH	4530142C995DB8AB	2	296831	1	3
Unverified (Reliable)	2020-04-18	Oliver Kruse	E4F1C2FC2064A2__	2	276415	5	3

History

Date	User	Type	Result
2024-02-17	Denial140	NF-PM1	B1=1000000, B2=8403510570
2022-03-07	LordJulius	NF	no factor from 2^54 to 2^55
2020-04-18	Oliver Kruse	C-PRP	M369181/791462783791446735967/229963203383830715832795703 : E4F1C2FC2064A2__ PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-12-15	ATH	C-PRP	M369181/791462783791446735967/229963203383830715832795703 : 4530142C995DB8AB PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-10-13	Oliver Kruse	C-PRP	M369181/229963203383830715832795703/791462783791446735967 : 4530142C995DB8AB PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-09-23	Oliver Kruse	C-PRP	M369181/known_factors : 4530142C995DB8AB PRP without proof (not generated)
2014-10-24	TJAOI	F-ECM	Factor: 791462783791446735967 / (ECM curve 13, B1=50000, B2=5000000)
2007-12-25	James Heinrich	F-ECM	Factor: 229963203383830715832795703