is 2 463 - 1
has 140 decimal digits
takes 0.000 GHz-days to do one PRP test
Has been fully factored.
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 PRP tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP78B24DB14479732EPRP-tested
Cofactor is a certified prime

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actualunknown----0.00000.0000%
Target2440.005179.5455%500500000.00000.4676%0.005179.6411%
Difference-44-0.0051-79.5455%-500-500000.0000-0.4676%-0.0051-79.6411%

Known prime factors (6 factors, 463.0 bits, 100.00000000% known):
Remaining cofactor is a certified-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
46311113513.44012
22 × 3
-442.363e-125.897e-111.200e-10
4633407681721.7003680
25 × 5 × 23
-32321.084e-94.717e-109.601e-10
4634487476009918811548.673484608640380
22 × 3 × 5 × 7541 × 1071053
-754110710530.08949.653e-71.607e-6
4632399320710098576811562511292787.633259105908217988856540228
22 × 3 × 19 × 29 × 45691 × 104087 × 8239812257
-10408782398122571.176e+110.00660.0124
4633856065800626880872182661432788.317416421792724285191380417
37 × 10949 × 1027915156324988809
-1094910279151563249888092.695e+11825,5871,541,967
463
hide decimal representation
15148264043785111348665069495360623752616947973471649653354617
62203.237

26 Composite Factors:
P-1 results:
No P-1 results for M463


Trial Factoring results:
No TF results for M463


ECM factoring results:
No ECM results for M463


Lucas-Lehmer results:
No L-L results for M463


PRP results:
dateuseridcompidcofactorsres64PRP
2018-01-24Luke_Richardswork-laptop78B24DB14479732Eno


P-1 factor-bounds graph:
100
101
102
103
104
105
106
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
TF factor-bounds graph:
this exponent TF target: 44
TF double-checked to: 67.9
250
260
270
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Last modified: 2023-10-02T12:12:48+00:00