1 783 799 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
477261517746994503113	21	68.7	2020-03-18 13:08:33
6293309904877543739466559	25	82.4	2009-07-07 17:55:43

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	107 / 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)		David Linton	AA3C2BB17FBA7572	0
Verified (Factored)	1999-03-01	Sam Robertson	AA3C2BB17FBA7572	682593

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-03	Oliver Kruse	0594E9234F10E60B	1	0	1	3
Verified (Factored)	2017-11-05	kkmrkkblmbrbk	0594E9234F10E60B	1	612402	1	3
Verified	2020-03-18	mrh	7E69063941CB8510	2	1494816	5	3
Verified	2020-03-19	marssystems	7E69063941CB8510	2	990733	5	3

History

Date	User	Type	Result
2020-03-19	marssystems	C-PRP	M1783799/6293309904877543739466559/477261517746994503113 : 7E69063941CB8510 PRP: Verified PRP without proof (not generated)
2020-03-18	mrh	C-PRP	M1783799/6293309904877543739466559/477261517746994503113 : 7E69063941CB8510 PRP: Verified PRP without proof (not generated)
2020-03-18	Niels_Mache_Nextcloud	F-ECM	Factor: 477261517746994503113 / (ECM curve 1, B1=50000, B2=5000000, Sigma=8079006276259491)
2017-11-05	kkmrkkblmbrbk	C-PRP	M1783799/6293309904877543739466559 : 0594E9234F10E60B PRP: Verified PRP without proof (not generated)
2017-10-03	Oliver Kruse	C-PRP	M1783799/6293309904877543739466559 : 0594E9234F10E60B PRP: Verified PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2009-07-07	SubPrime	F-ECM	Factor: 6293309904877543739466559