2 463 533 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
3857285289814895759	19	61.7	2010-04-18 02:04:53

ECM

Digits	B1	Curves
25	50000	61 / 280

Estimated T-Level: 21.1 ⓘ

TF below 2^65 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Ethan O'Connor	D57A4D06BB2A0606	0
Verified (Factored)	1997-12-21	Ethan O'Connor	D57A4D06BB2A0606	0
Verified (Factored)	1999-05-09	Nathan Collins	D57A4D06BB2A0606	1833582

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-13	Oliver Kruse	C00A0818A0DCF22C	1	1755283	5	3
Verified	2017-11-29	nokno	DD201EC3D3F5D47B	1	0	1	3
Verified	2017-11-29	storm5510	C00A0818A0DCF22C	1	1105830	5	3
Verified	2017-12-04	kkmrkkblmbrbk	DD201EC3D3F5D47B	1	1528130	1	3

History

Date	User	Type	Result
2022-03-10	LordJulius	NF	no factor from 2^1 to 2^60
2018-09-28	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2017-12-04	kkmrkkblmbrbk	C-PRP	M2463533/3857285289814895759 : DD201EC3D3F5D47B PRP: Verified PRP without proof (not generated)
2017-11-29	storm5510	C-PRP	M2463533/3857285289814895759 : C00A0818A0DCF22C PRP: Verified PRP without proof (not generated)
2017-11-29	nokno	C-PRP	M2463533/3857285289814895759 : DD201EC3D3F5D47B PRP: Verified PRP without proof (not generated)
2017-10-13	Oliver Kruse	C-PRP	M2463533/3857285289814895759 : C00A0818A0DCF22C PRP: Verified PRP without proof (not generated)
2010-04-18	Dougal	F-ECM	Factor: 3857285289814895759
2009-01-15	Sturle Sunde	NF	no factor from 2^60 to 2^61