224 677 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
3983896275901994951	19	61.8	2008-06-24 20:07:56
15740470997269088502228431281	29	93.7	2021-01-04 22:37:16

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	514 / 640

Estimated T-Level: 29.0 ⓘ

TF below 2^91 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Unknown	7D82	0
Verified (Factored)		Jean-Richard Zanandrea	2FB66B635A8B7D82	0
Verified (Factored)		Brian J. Beesley	2FB66B635A8B7D82	0
Verified (Factored)		Eivind Triel	2FB66B635A8B7D82	122609

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-22	Oliver Kruse	EC9D4F12D76D07C1	1	0	1	3
Verified (Factored)	2017-10-12	kkmrkkblmbrbk	EC9D4F12D76D07C1	1	39881	1	3
Verified (Factored)	2020-04-17	Oliver Kruse	97C3B826A1B38956	1	40686	5	3
Verified	2021-01-04	mrh	97C3B826A1B38956	2	138980	5	3

History

Date	User	Type	Result
2022-03-13	Oliver Kruse	NF-PM1	B1=30000000, B2=10070832992220
2022-03-07	LordJulius	NF	no factor from 2^54 to 2^55
2021-06-11	Oliver Kruse	NF-PM1	B1=30000000, B2=3000000000
2021-01-05	curtisc	CERT	PRP Certification Proof certified good
2021-01-04	mrh	C-PRP	M224677/3983896275901994951/15740470997269088502228431281 : 97C3B826A1B38956 PRP proof power = 5 PRP: Verified Proof certified good
2021-01-04	Chang Chia-Tche	F-ECM	Factor: 15740470997269088502228431281 / (ECM curve 3, B1=250000, B2=25000000, Sigma=7927192478477949)
2020-04-17	Oliver Kruse	C-PRP	M224677/3983896275901994951 : 97C3B826A1B38956 PRP: Verified (Factored) PRP without proof (small exponent)
2017-10-12	kkmrkkblmbrbk	C-PRP	M224677/3983896275901994951 : EC9D4F12D76D07C1 PRP: Verified (Factored) PRP without proof (small exponent)
2017-09-22	Oliver Kruse	C-PRP	M224677/3983896275901994951 : EC9D4F12D76D07C1 PRP: Verified (Factored) PRP without proof (not generated)
2017-09-22	Oliver Kruse	C-PRP	M224677/3983896275901994951 : EC9D4F12D76D07C1 PRP without proof (not generated)
2008-06-24	Sturle Sunde	F-ECM	Factor: 3983896275901994951