is 2 4002167131 - 1
has 1204772355 decimal digits
takes 1,004,062.208 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
Actual2710.119554.9296%----0.119554.9296%
Target292250,607.763765.2174%200000009600000000197,146.23064.2362%447,753.994366.6908%
Difference-21-250,607.6443-10.2878%-20000000-9600000000-197,146.2306-4.2362%-447,753.8748-11.7613%

Known prime factors (4 factors, 181.4 bits, 0.00000453% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
4002167131400216713111135.2205
5
2012-08-20151.157e-120.00040.0007
40021671311921040222891237.48324
23 × 3
2012-08-20884.836e-120.00290.0059
400216713118142303864878731650.688226656
25 × 32 × 787
2019-06-28327876.211e-80.02660.0290
40021671312913978528427840971858.01636405008
24 × 2275313
2019-12-231622753131.526e-545.10184.226

11 Composite Factors:
P-1 results:
No P-1 results for M4002167131


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2019-06-2823523635.220111.36157e-14236,4492.91632e-14
2019-06-2823723837.483122.61421e-13236,4495.59933e-13
2019-06-2825025150.688162.46279e-8236,4495.27502e-8
2019-12-23slaurpalvi2-rtx2126458.016180.001220,7860.002
Missing TF 64 - 65
Missing TF 65 - 66
Missing TF 66 - 67
Missing TF 67 - 68
2022-12-12slaurpalvi2-rtx268271--0.105--


ECM factoring results:
No ECM results for M4002167131


Lucas-Lehmer results:
No L-L results for M4002167131


PRP results:
No PRP results for M4002167131


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
TF factor-bounds graph:
271
264
251
238
236
this exponent TF target: 92
250
260
270
280
290
2100
Last modified: 2023-07-11T14:45:05+00:00