3 668 647 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
9486930230959007327	19	63.0	2016-12-01 12:17:52
10896029269712081969	20	63.2	2009-07-11 19:29:23

ECM

Digits	B1	Curves
25	50000	3 / 280

Estimated T-Level: 20.1 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	1998-03-09	Daniel Horowitz	00E7C003D3D1E9C3	0
Verified (Factored)	1999-08-07	Grant McCracken	00E7C003D3D1E9C3	3185568

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-11-11	kkmrkkblmbrbk	209A607F40E87B72	2	1462685	5	3
Verified	2017-11-28	Oliver Kruse	209A607F40E87B72	2	624584	5	3

History

Date	User	Type	Result
2022-09-27	Joss	NF-PM1	B1=1000000, B2=130364850
2022-06-15	LordJulius	NF	no factor from 2^66 to 2^67
2022-06-15	LordJulius	NF	no factor from 2^65 to 2^66
2022-06-15	LordJulius	NF	no factor from 2^64 to 2^65
2022-06-15	LordJulius	NF	no factor from 2^61 to 2^63
2022-05-16	Joss	NF-PM1	B1=500000, B2=130364850
2022-03-20	Lisander Viaene	NF-PM1	B1=100000, B2=38206140
2022-03-19	Lisander Viaene	NF-PM1	B1=100000
2022-03-10	Joss	NF	no factor from 2^67 to 2^68
2017-11-28	Oliver Kruse	C-PRP	M3668647/10896029269712081969/9486930230959007327 : 209A607F40E87B72 PRP: Verified PRP without proof (not generated)
2017-11-11	kkmrkkblmbrbk	C-PRP	M3668647/10896029269712081969/9486930230959007327 : 209A607F40E87B72 PRP: Verified PRP without proof (not generated)
2016-12-01	TJAOI	F	Factor: 9486930230959007327 / TF: 63-64
2009-07-11	Carsten Kossendey	F-PM1	Factor: 10896029269712081969
2009-03-08	S485122	NF	no factor from 2^60 to 2^61