1 318 699 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
316487761	9	28.2	old
91386916155207440428159	23	76.3	2018-06-08 13:19:51

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	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-30	Oliver Kruse	B4CB173A0C5B8484	1	0	1	3
Verified (Factored)	2017-11-04	kkmrkkblmbrbk	B4CB173A0C5B8484	1	4561	1	3
Verified	2018-06-10	Daniil Tsarkov	AB9FDECE0B5E2E36	2	946849	5	3
Verified	2018-06-15	Gabriel Lignelli	AB9FDECE0B5E2E36	2	466439	5	3

History

Date	User	Type	Result
2018-06-15	Gabriel Lignelli	C-PRP	M1318699/316487761/91386916155207440428159 : AB9FDECE0B5E2E36 PRP: Verified PRP without proof (not generated)
2018-06-10	Daniil Tsarkov	C-PRP	M1318699/316487761/91386916155207440428159 : AB9FDECE0B5E2E36 PRP: Verified PRP without proof (not generated)
2018-06-08	TJAOI	F-ECM	Factor: 91386916155207440428159 / (ECM curve 158, B1=50000, B2=5000000)
2017-11-04	kkmrkkblmbrbk	C-PRP	M1318699/316487761 : B4CB173A0C5B8484 PRP: Verified PRP without proof (not generated)
2017-09-30	Oliver Kruse	C-PRP	M1318699/316487761 : B4CB173A0C5B8484 PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12