1 318 463 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
4116241487	10	31.9	old
48255745801	11	35.5	2008-07-15 09:58:08
21700893008325176447658553	26	84.2	2018-06-01 11:34:23

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	A9EEBF9B0704F210	2	0	1	3
Verified (Factored)	2017-10-23	kkmrkkblmbrbk	A9EEBF9B0704F210	2	227668	1	3
Verified	2018-06-03	ANONYMOUS	A7DA0ED8A322BC3F	3	1188527	5	3
Verified	2018-06-07	_p95holder_	A7DA0ED8A322BC3F	3	1050842	5	3

History

Date	User	Type	Result
2018-06-07	_p95holder_	C-PRP	M1318463/4116241487/48255745801/21700893008325176447658553 : A7DA0ED8A322BC3F PRP: Verified PRP without proof (not generated)
2018-06-03	ANONYMOUS	C-PRP	M1318463/4116241487/48255745801/21700893008325176447658553 : A7DA0ED8A322BC3F PRP: Verified PRP without proof (not generated)
2018-06-01	TJAOI	F-ECM	Factor: 21700893008325176447658553 / (ECM curve 11, B1=50000, B2=5000000)
2017-10-23	kkmrkkblmbrbk	C-PRP	M1318463/4116241487/48255745801 : A9EEBF9B0704F210 PRP: Verified PRP without proof (not generated)
2017-09-30	Oliver Kruse	C-PRP	M1318463/4116241487/48255745801 : A9EEBF9B0704F210 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: 48255745801