277 601 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
759681633404995994913967	24	79.3	2010-01-17 21:23:51

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	539 / 640

Estimated T-Level: 29.2 ⓘ

TF below 2^92 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		David Slowinski	2372	0
Verified (Factored)		Unknown	2372	0
Verified (Factored)		Brian J. Beesley	BA66EE36C003A372	0
Verified (Factored)		Eivind Triel	BA66EE36C003A372	3518
Verified (Factored)	2001-11-24	Brian J. Beesley	BA66EE36C003A372	176503

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-22	Oliver Kruse	8960DA487D6A10B5	1	0	1	3
Verified	2017-10-12	Oliver Kruse	8960DA487D6A10B5	1	127674	1	3
Verified	2017-11-06	kkmrkkblmbrbk	8960DA487D6A10B5	1	73861	1	3
Unverified (Reliable)	2020-04-17	Oliver Kruse	0D5C9E96D2A61E__	1	250242	5	3

History

Date	User	Type	Result
2022-03-07	LordJulius	NF	no factor from 2^54 to 2^55
2022-01-03	Lisander Viaene	NF-PM1	B1=100000
2020-04-17	Oliver Kruse	C-PRP	M277601/759681633404995994913967 : 0D5C9E96D2A61E__ PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-11-06	kkmrkkblmbrbk	C-PRP	M277601/759681633404995994913967 : 8960DA487D6A10B5 PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-10-12	Oliver Kruse	C-PRP	M277601/759681633404995994913967 : 8960DA487D6A10B5 PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-09-22	Oliver Kruse	C-PRP	M277601/759681633404995994913967 : 8960DA487D6A10B5 PRP: Unverified (Reliable) PRP without proof (not generated)
2017-09-22	Oliver Kruse	C-PRP	M277601/759681633404995994913967 : 8960DA487D6A10B5 PRP without proof (not generated)
2010-01-17	Sturle Sunde	F-ECM	Factor: 759681633404995994913967
2009-01-23	Sturle Sunde	NF	no factor from 2^59 to 2^60
2009-01-01	Sturle Sunde	NF	no factor from 2^58 to 2^59