1 319 399 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
8986015565783520263	19	63.0	2008-09-07 21:02:47
225447034396449694824640153	27	87.5	2018-06-08 13:20:02

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	105 / 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)		Bruce Mitchell	A37F5AFDD0C896CE	0
Verified (Factored)		Tom Cage	A37F5AFDD0C896CE	0
Verified (Factored)		Simon Burge	A37F5AFDD0C896CE	0

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-30	Oliver Kruse	46F7548FACF9992E	1	0	1	3
Verified (Factored)	2017-10-23	kkmrkkblmbrbk	46F7548FACF9992E	1	1003107	1	3
Verified	2018-06-10	Daniil Tsarkov	7E401D2D5C7D3F2B	2	729656	5	3
Verified	2018-06-15	Gabriel Lignelli	7E401D2D5C7D3F2B	2	976466	5	3

History

Date	User	Type	Result
2018-06-15	Gabriel Lignelli	C-PRP	M1319399/8986015565783520263/225447034396449694824640153 : 7E401D2D5C7D3F2B PRP: Verified PRP without proof (not generated)
2018-06-10	Daniil Tsarkov	C-PRP	M1319399/8986015565783520263/225447034396449694824640153 : 7E401D2D5C7D3F2B PRP: Verified PRP without proof (not generated)
2018-06-08	TJAOI	F-ECM	Factor: 225447034396449694824640153 / (ECM curve 25, B1=50000, B2=5000000)
2017-10-23	kkmrkkblmbrbk	C-PRP	M1319399/8986015565783520263 : 46F7548FACF9992E PRP: Verified PRP without proof (not generated)
2017-09-30	Oliver Kruse	C-PRP	M1319399/8986015565783520263 : 46F7548FACF9992E PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2008-09-07	Sturle Sunde	F-ECM	Factor: 8986015565783520263