1 318 661 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
6316386191	10	32.6	old
159674023169	12	37.2	2008-07-15 09:58:08
480577903040373411789889	24	78.7	2018-06-01 11:34:25
353487304721150780891312759	27	88.2	2018-06-01 11:34:24

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	6ABFEAD4A016B431	2	0	1	3
Verified (Factored)	2017-10-23	kkmrkkblmbrbk	6ABFEAD4A016B431	2	274672	1	3
Verified	2018-06-03	ANONYMOUS	54928040BC2D04C2	4	1148705	5	3
Verified	2018-06-07	_p95holder_	54928040BC2D04C2	4	258508	5	3

History

Date	User	Type	Result
2018-06-07	_p95holder_	C-PRP	M1318661/6316386191/159674023169/353487304721150780891312759/480577903040373411789889 : 54928040BC2D04C2 PRP: Verified PRP without proof (not generated)
2018-06-03	ANONYMOUS	C-PRP	M1318661/6316386191/159674023169/480577903040373411789889/353487304721150780891312759 : 54928040BC2D04C2 PRP: Verified PRP without proof (not generated)
2018-06-01	TJAOI	F-ECM	Factor: 480577903040373411789889 / (ECM curve 146, B1=50000, B2=5000000)
2018-06-01	TJAOI	F-ECM	Factor: 353487304721150780891312759 / (ECM curve 41, B1=50000, B2=5000000)
2017-10-23	kkmrkkblmbrbk	C-PRP	M1318661/6316386191/159674023169 : 6ABFEAD4A016B431 PRP: Verified PRP without proof (not generated)
2017-09-30	Oliver Kruse	C-PRP	M1318661/6316386191/159674023169 : 6ABFEAD4A016B431 PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2008-07-15	J Feitsma	F	Factor: 159674023169