1 334 651 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
54191169989810818033	20	65.6	2009-04-12 16:15:04
12469944725980298843599	23	73.4	2018-08-24 12:41:10

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)		George Woltman	1220684BBD5B6C82	0
Verified (Factored)		Cornelius Caesar	1220684BBD5B6C82	0
Verified (Factored)		Brian J. Beesley	1220684BBD5B6C82	820278

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-30	Oliver Kruse	8F4D638B87AD63F4	1	0	1	3
Verified (Factored)	2017-10-24	kkmrkkblmbrbk	8F4D638B87AD63F4	1	723049	1	3
Verified	2018-08-27	ANONYMOUS	6DE7C4027E7236AD	2	1073002	5	3
Verified	2018-08-28	Oliver Kruse	6DE7C4027E7236AD	2	112311	5	3

History

Date	User	Type	Result
2022-03-07	LordJulius	NF	no factor from 2^58 to 2^60
2018-08-28	Oliver Kruse	C-PRP	M1334651/54191169989810818033/12469944725980298843599 : 6DE7C4027E7236AD PRP: Verified PRP without proof (not generated)
2018-08-27	ANONYMOUS	C-PRP	M1334651/54191169989810818033/12469944725980298843599 : 6DE7C4027E7236AD PRP: Verified PRP without proof (not generated)
2018-08-24	TJAOI	F-ECM	Factor: 12469944725980298843599 / (ECM curve 158, B1=50000, B2=5000000)
2017-10-24	kkmrkkblmbrbk	C-PRP	M1334651/54191169989810818033 : 8F4D638B87AD63F4 PRP: Verified PRP without proof (not generated)
2017-09-30	Oliver Kruse	C-PRP	M1334651/54191169989810818033 : 8F4D638B87AD63F4 PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2009-04-12	SubPrime	F-ECM	Factor: 54191169989810818033
2009-02-24	Sturle Sunde	NF	no factor from 2^60 to 2^61