559 877 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
135524652208475035572923023	27	86.8	2013-09-18 08:29:55

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	210 / 640

Estimated T-Level: 26.6 ⓘ

TF below 2^83 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		David Slowinski	1DC7	0
Verified (Factored)		Jud McCranie	2D42B8F01FABDDC7	0
Verified (Factored)	2002-06-15	Dennis Pope	2D42B8F01FABDDC7	245922

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-27	Oliver Kruse	40B0BB25EDAE7A44	1	0	1	3
Verified	2017-11-04	kkmrkkblmbrbk	40B0BB25EDAE7A44	1	236285	1	3
Unverified (Reliable)	2020-04-19	Oliver Kruse	312D7240C55950__	1	182332	5	3

History

Date	User	Type	Result
2022-03-07	LordJulius	NF	no factor from 2^54 to 2^55
2021-08-13	ViliamF	NF-PM1	B1=15000000, B2=1815000000
2020-04-19	Oliver Kruse	C-PRP	M559877/135524652208475035572923023 : 312D7240C55950__ PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-11-04	kkmrkkblmbrbk	C-PRP	M559877/135524652208475035572923023 : 40B0BB25EDAE7A44 PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-09-27	Oliver Kruse	C-PRP	M559877/135524652208475035572923023 : 40B0BB25EDAE7A44 PRP: Unverified (Reliable) PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=1500000, B2=50000000, E=12
2013-09-18	lopper	F-ECM	Factor: 135524652208475035572923023
2012-10-12	Joss	NF-PM1	B1=3586991
2012-07-14	Joss	NF-PM1	B1=1119754
2012-03-05	Joss	NF-PM1	B1=880974
2011-08-20	Joss	NF-PM1	B1=704779
2011-06-25	Joss	NF-PM1	B1=362144