177 691 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
236741628503	12	37.8	old
2928854099351	13	41.4	2008-07-27 10:49:40
2695791791433982055383736787693473	34	111.1	2018-06-13 14:58:16

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	627 / 640

Estimated T-Level: 29.9 ⓘ

TF below 2^94 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-22	Oliver Kruse	CBC15E0A358179DA	2	0	1	3
Verified (Factored)	2017-10-12	kkmrkkblmbrbk	CBC15E0A358179DA	2	55797	1	3
Verified	2018-06-14	Daniil Tsarkov	ABF9398387A6FB72	3	162124	5	3
Verified	2018-06-16	Oliver Kruse	ABF9398387A6FB72	3	125154	5	3

History

Date	User	Type	Result
2018-06-16	Oliver Kruse	C-PRP	M177691/236741628503/2928854099351/2695791791433982055383736787693473 : ABF9398387A6FB72 PRP: Verified PRP without proof (small exponent)
2018-06-14	Daniil Tsarkov	C-PRP	M177691/236741628503/2928854099351/2695791791433982055383736787693473 : ABF9398387A6FB72 PRP: Verified PRP without proof (small exponent)
2018-06-13	Yxinity	F-ECM	Factor: 2695791791433982055383736787693473 / (ECM curve 2, B1=250000, B2=25000000)
2017-10-12	kkmrkkblmbrbk	C-PRP	M177691/236741628503/2928854099351 : CBC15E0A358179DA PRP: Verified PRP without proof (small exponent)
2017-09-22	Oliver Kruse	C-PRP	M177691/236741628503/2928854099351 : CBC15E0A358179DA PRP: Verified PRP without proof (not generated)
2017-09-22	Oliver Kruse	C-PRP	M177691/236741628503/2928854099351 : CBC15E0A358179DA PRP without proof (not generated)
2017-05-22	kkmrkkblmbrbk	NF-PM1	B1=100000000, B2=2000000000, E=12
2008-07-27	J Feitsma	F	Factor: 2928854099351