1 771 993 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
6764594756949092111	19	62.6	2010-12-13 03:33:12

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)		Kevin Postlewaite	03C35873E7DDC1BD	0
Verified (Factored)	1999-01-17	Robert Lum	03C35873E7DDC1BD	291033

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-03	Oliver Kruse	BF1E2222563A3B31	1	0	1	3
Verified	2017-11-10	kkmrkkblmbrbk	BF1E2222563A3B31	1	1560733	1	3

History

Date	User	Type	Result
2022-03-09	LordJulius	NF	no factor from 2^1 to 2^60
2022-03-08	LordJulius	NF	no factor from 2^58 to 2^60
2017-11-10	kkmrkkblmbrbk	C-PRP	M1771993/6764594756949092111 : BF1E2222563A3B31 PRP: Verified PRP without proof (not generated)
2017-10-03	Oliver Kruse	C-PRP	M1771993/6764594756949092111 : BF1E2222563A3B31 PRP: Verified PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2010-12-13	GrunwalderGIMP	F-ECM	Factor: 6764594756949092111
2010-04-20	Architects Cubed	NF	no factor from 2^60 to 2^61