is 2 332418971 - 1
has 100068082 decimal digits
takes 4,944.732 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
Actual278184.154762.8205 %2516000251600054.26702.3333 %238.421663.6880 %
Target2811,473.241164.1975 %1900000400000000508.79794.0320 %1,982.039065.6411 %
Difference-3-1,289.0864-1.3770 %+616000-397484000-454.5309-1.6987 %-1,743.6174-1.9531 %

Known prime factors (1 factor, 80.2 bits, 0.00002414% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
33241897114284527086212417256177992580.2412148572785006969
953 × 1093 × 13183 × 156467
2020-12-2713183156467736.620.45270.5787

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2020-12-27Simon Josefssongran2516000251600012580.24154.271.713%


Trial Factoring results:
57585960616263646566676869707172737475767778798081
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2011-04-08rduerrManual testing2672690.270
2011-04-08rduerrManual testing2692700.360
2011-04-08rduerrManual testing2702710.719
2013-03-01krackerManual testing2712721.439
2013-05-02krackerManual testing2722732.877
2015-02-06XebecerManual testing2732745.755
2016-04-13srow7Manual testing27427511.51
2019-03-22Andrew BManual testing27527623.02
2019-04-10alexManual testing27627746.04
2019-04-10alexManual testing27727892.08


ECM factoring results:
No ECM results for M332418971


Lucas-Lehmer results:
No L-L results for M332418971


PRP results:
No PRP results for M332418971


CERT results:
No CERT results for M332418971


P-1 factor-bounds graph:
B1 = 2516000 (P-1 stage 1)
103
104
105
106
107
103
104
105
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107
TF factor-bounds graph:
278
277
276
275
274
273
272
271
270
269
this exponent TF target: 81
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00