1 096 559 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
241439321894846303273	21	67.7	2014-12-20 00:23:47
5601325334480707511633	22	72.2	2009-11-21 22:55:54

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	100 / 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)		The Grebelius Family	FC9299A435494786	0
Verified (Factored)		Cornelius Caesar	FC9299A435494786	0
Verified (Factored)	2004-03-16	Brian J. Beesley	FC9299A435494786	890506

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-05	Oliver Kruse	36B7C070B07B9C90	2	0	1	3
Verified	2017-10-16	Oliver Kruse	36B7C070B07B9C90	2	706375	1	3
Verified	2017-12-31	ATH	36B7C070B07B9C90	2	445315	1	3

P-1 factors

Date	Factor	B1	B2
2014-12-20	241439321894846303273	300000	10000000

History

Date	User	Type	Result
2022-04-12	LordJulius	NF	no factor from 2^63 to 2^64
2022-04-12	LordJulius	NF	no factor from 2^62 to 2^63
2022-04-12	LordJulius	NF	no factor from 2^61 to 2^62
2022-04-12	LordJulius	NF	no factor from 2^1 to 2^61
2022-03-07	LordJulius	NF	no factor from 2^57 to 2^60
2022-03-07	firejuggler	NF	no factor from 2^57 to 2^60
2017-12-31	ATH	C-PRP	M1096559/241439321894846303273/5601325334480707511633 : 36B7C070B07B9C90 PRP: Verified PRP without proof (not generated)
2017-10-16	Oliver Kruse	C-PRP	M1096559/5601325334480707511633/241439321894846303273 : 36B7C070B07B9C90 PRP: Verified PRP without proof (not generated)
2017-10-05	Oliver Kruse	C-PRP	M1096559/5601325334480707511633/241439321894846303273 : 36B7C070B07B9C90 PRP: Verified PRP without proof (not generated)
2017-09-29	Oliver Kruse	C-PRP	M1096559/5601325334480707511633/241439321894846303273 : 36B7C070B07B9C90 PRP without proof (not generated)
2014-12-20	alpertron	F-PM1	Factor: 241439321894846303273 / (P-1, B1=300000, B2=10000000, E=12)
2009-11-21	SubPrime	F-ECM	Factor: 5601325334480707511633
2009-02-15	Sturle Sunde	NF	no factor from 2^60 to 2^61