is 2 4023442289 - 1
has 1211176815 decimal digits
takes 1,009,399.711 GHz-days to do one PRP test
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual27815.215058.9744%----15.215058.9744%
Target292249,282.600065.2174%200000006000000000125,796.06394.2383%375,078.663966.6916%
Difference-14-249,267.3851-6.2430%-20000000-6000000000-125,796.0639-4.2383%-375,063.4490-7.7172%

Known prime factors (5 factors, 186.3 bits, 0.00000463% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
4023442289563281920471135.7137
7
2012-08-20171.157e-120.00050.0007
40234422891287501532491236.90616
24
2012-08-2016162.362e-120.00580.0118
40234422891931252298731237.49124
23 × 3
2012-08-20884.811e-120.00290.0059
40234422892172658836071237.66127
33
2012-08-2027274.843e-120.00980.0200
40234422894103911134791238.57851
3 × 17
2013-01-163171.021e-110.00140.0022

26 Composite Factors:
P-1 results:
No P-1 results for M4023442289


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2019-06-2923523635.713111.89611e-14237,5404.05842e-14
2019-06-2923623736.906128.66795e-14237,5401.85528e-13
2019-06-2923723837.491122.60039e-13237,5405.56583e-13
2019-06-2923723837.661122.92543e-13237,5406.26156e-13
2019-06-2923823938.578121.10516e-12237,5402.36548e-12
2014-08-3127527636.906128.66795e-14237,5401.85528e-13
2014-08-3127527637.491122.60039e-13237,5405.56583e-13
2014-08-3127527637.661122.92543e-13237,5406.26156e-13
2014-08-3127527638.578121.10516e-12237,5402.36548e-12
2014-08-3127627737.491122.60039e-13237,5405.56583e-13
2014-08-3127627737.661122.92543e-13237,5406.26156e-13
2014-08-3127627738.578121.10516e-12237,5402.36548e-12
2014-08-31277278--7.608--


ECM factoring results:
No ECM results for M4023442289


Lucas-Lehmer results:
No L-L results for M4023442289


PRP results:
No PRP results for M4023442289


P-1 factor-bounds graph:
100
101
102
100
101
102
TF factor-bounds graph:
278
277
276
239
238
237
236
this exponent TF target: 92
250
260
270
280
290
2100
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Last modified: 2023-10-02T12:12:48+00:00