1 235 093 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
316289807426061977	18	58.1	2007-11-06 15:23:10
259404332690061048445391	24	77.8	2017-10-13 13:39:11

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	100 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Marlene Menard	2A8465E1252BDEF3	0
Verified (Factored)		David Tegerdine	2A8465E1252BDEF3	0
Verified (Factored)		Cornelius Caesar	2A8465E1252BDEF3	0

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-29	Oliver Kruse	67A75DD3A3771E48	1	0	1	3
Verified	2017-10-13	Oliver Kruse	99D4966EDD5F9D1B	2	972207	5	3
Verified	2017-10-14	Yaroslav Berezhko	6B94C7AC86872046	2	0	1	3
Verified	2017-10-20	kkmrkkblmbrbk	99D4966EDD5F9D1B	2	769623	5	3
Verified	2017-11-04	kkmrkkblmbrbk	6B94C7AC86872046	2	653428	1	3

History

Date	User	Type	Result
2022-04-13	LordJulius	NF	no factor from 2^63 to 2^64
2022-04-13	LordJulius	NF	no factor from 2^62 to 2^63
2022-04-13	LordJulius	NF	no factor from 2^61 to 2^62
2017-11-04	kkmrkkblmbrbk	C-PRP	M1235093/316289807426061977/259404332690061048445391 : 6B94C7AC86872046 PRP: Verified PRP without proof (not generated)
2017-10-20	kkmrkkblmbrbk	C-PRP	M1235093/316289807426061977/259404332690061048445391 : 99D4966EDD5F9D1B PRP: Verified PRP without proof (not generated)
2017-10-14	Yaroslav Berezhko	C-PRP	M1235093/316289807426061977/259404332690061048445391 : 6B94C7AC86872046 PRP: Verified PRP without proof (not generated)
2017-10-13	Oliver Kruse	C-PRP	M1235093/316289807426061977/259404332690061048445391 : 99D4966EDD5F9D1B PRP: Verified PRP without proof (not generated)
2017-10-13	TJAOI	F-ECM	Factor: 259404332690061048445391 / (ECM curve 12, B1=50000, B2=5000000)
2017-09-29	Oliver Kruse	C-PRP	M1235093/316289807426061977 : 67A75DD3A3771E48 PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=300000, B2=10000000, E=12
2007-11-06	Chad Davis	F-ECM	Factor: 316289807426061977