is 2 118665907 - 1
has 35721998 decimal digits
takes 548.006 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual277257.935664.9351%6290004418766020.10324.0227%278.038966.3456%
Target276128.967164.4737%80000014000000056.14084.2122%185.107865.9701%
Difference+1+128.9686+0.4614%-171000-95812340-36.0375-0.1895%+92.9310+0.3755%

Known prime factors (1 factor, 86.6 bits, 0.00007295% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1186659071141479780637531123574036412786.561480963660707338260
22 × 3 × 5 × 4691 × 365441 × 4676041		2023-08-193654414676041241,8314.01974.9802

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2023-08-16Extremofiredhtrayner_team844629000441876602786.56120.101,09640.214.023%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-05-14oodairaWin02263264--0.017--
2010-10-14Charles A. Morrischandra264265--0.031--
2012-07-19carlos56amd600265266--0.063--
2014-06-01snme2pm1Manual testing266267--0.126--
2014-07-07snme2pm1Manual testing267268--0.252--
2014-07-31snme2pm1Manual testing268269--0.504--
2014-08-22snme2pm1Manual testing269270--1.008--
2015-02-05snme2pm1Manual testing270271--2.015--
2015-05-29Josh FamestadManual testing271272--4.030--
2021-05-24ViliamFManual testing271272--4.030--
2017-07-03snme2pm1Manual testing272273--8.061--
2019-06-22Niels_Mache_NextcloudManual testing273274--16.12--
2021-04-27hktManual testing274275--32.24--
2021-07-02KrieselManual testing275276--64.48--
2022-05-11TheJudgerManual testing276277--129.0--


ECM factoring results:
No ECM results for M118665907


Lucas-Lehmer results:
No L-L results for M118665907


PRP results:
No PRP results for M118665907


P-1 factor-bounds graph:
B1 = 629000, B2 = 44187660 (P-1 stage 2)
B1 = 629000 (P-1 stage 1)
104
105
106
104
105
106
107
108
TF factor-bounds graph:
277
276
275
274
273
272
271
270
269
268
267
266
265
264
this exponent TF target: 76
TF double-checked to: 67.9
250
260
270
280
290
JSON version of this page
Last modified: 2023-10-02T12:12:48+00:00