is 2 4062231983 - 1
has 1222853677 decimal digits
takes 1,019,131.255 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
Actual2710.117754.9296%----0.117754.9296%
Target292246,902.234865.2174%200000009600000000197,146.23064.2423%444,048.465366.6930%
Difference-21-246,902.1171-10.2878%-20000000-9600000000-197,146.2306-4.2423%-444,048.3477-11.7634%

Known prime factors (3 factors, 151.0 bits, 0.00000372% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
406223198381244639671032.9201
1		2012-08-20111.412e-130.00040.0007
40622319832538587234679967931857.81731246212
22 × 3 × 2603851		2020-01-06426038518.237e-651.60896.388
406223198313904045142133080011960.270171138000
24 × 3 × 53 × 11 × 2593		2020-01-0612525935.401e-50.09440.0961

4 Composite Factors:
P-1 results:
No P-1 results for M4062231983


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2019-07-0223223332.920103.35359e-16239,5317.16903e-16
2020-01-06slaurpalvi2-rtx2126460.270190.001224,1000.002
2020-01-06slaurpalvi2-rtx2126457.817180.001224,1000.002
Missing TF 64 - 65
Missing TF 65 - 66
Missing TF 66 - 67
Missing TF 67 - 68
Missing TF 68 - 69
Missing TF 69 - 70
2022-12-06slaurpalvi2-rtx270271--0.059--


ECM factoring results:
No ECM results for M4062231983


Lucas-Lehmer results:
No L-L results for M4062231983


PRP results:
No PRP results for M4062231983


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
107
TF factor-bounds graph:
271
264
233
this exponent TF target: 92
250
260
270
280
290
2100
Last modified: 2023-07-11T14:45:05+00:00