3 259 771 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
50425184311172940991	20	65.5	2009-06-02 07:19:15

ECM

Digits	B1	Curves
25	50000	2 / 280

Estimated T-Level: 20.0 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)		Charles Gallo	98541A9E14899D77	0
Verified (Factored)	1999-07-26	Ken Ramsay	98541A9E14899D77	110188

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-11-02	Oliver Kruse	6D847514BA060E06	1	794608	5	3
Verified	2017-12-14	nokno	011D1346BDF08D02	1	0	1	3
Verified	2017-12-14	kkmrkkblmbrbk	6D847514BA060E06	1	1745054	5	3
Verified	2017-12-16	kkmrkkblmbrbk	011D1346BDF08D02	1	1219253	1	3

History

Date	User	Type	Result
2022-04-06	LordJulius	NF	no factor from 2^66 to 2^67
2022-04-06	LordJulius	NF	no factor from 2^64 to 2^65
2022-04-06	LordJulius	NF	no factor from 2^63 to 2^64
2022-04-06	LordJulius	NF	no factor from 2^62 to 2^63
2022-04-06	LordJulius	NF	no factor from 2^1 to 2^62
2022-02-04	Joss	NF-PM1	B1=1000000, B2=119912100
2021-04-15	Joss	NF	no factor from 2^67 to 2^68
2021-01-17	Joss	NF-PM1	B1=325977, B2=3259771, E=6
2020-12-25	Joss	NF-PM1	B1=108659
2017-12-16	kkmrkkblmbrbk	C-PRP	M3259771/50425184311172940991 : 011D1346BDF08D02 PRP: Verified PRP without proof (not generated)
2017-12-14	kkmrkkblmbrbk	C-PRP	M3259771/50425184311172940991 : 6D847514BA060E06 PRP: Verified PRP without proof (not generated)
2017-12-14	nokno	C-PRP	M3259771/50425184311172940991 : 011D1346BDF08D02 PRP: Verified PRP without proof (not generated)
2017-11-02	Oliver Kruse	C-PRP	M3259771/50425184311172940991 : 6D847514BA060E06 PRP: Verified PRP without proof (not generated)
2009-06-02	Aca Arsov	F-ECM	Factor: 50425184311172940991
2009-04-03	S485122	NF	no factor from 2^60 to 2^61