is 2 332431271 - 1
has 100071785 decimal digits
takes 4,944.915 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
Actual278184.147962.8205 %2980000298000064.27492.4770 %248.422763.7415 %
Target2811,473.186664.1975 %1900000400000000508.79794.0320 %1,981.984565.6411 %
Difference-3-1,289.0387-1.3770 %+1080000-397020000-444.5230-1.5550 %-1,733.5618-1.8996 %

Known prime factors (1 factor, 83.1 bits, 0.00002498% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
332431271100373152874348610253709212683.05415096827770205260
22 × 5 × 59 × 101 × 197 × 1163 × 552887
2019-08-3111635528875,892.70.67341.2135

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2019-08-31XebecerBirlinnOban2980000298000012683.05464.271.828%


Trial Factoring results:
57585960616263646566676869707172737475767778798081
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2011-04-28rduerrManual testing2672700.629
2012-12-26krackerManual testing2702710.719
2013-03-02krackerManual testing2712721.439
2013-05-08krackerManual testing2722732.877
2015-02-12XebecerManual testing2732745.755
2016-04-17srow7Manual testing27427511.51
2019-03-21alexManual testing27527623.02
2019-04-10alexManual testing27627746.04
2019-04-10alexManual testing27727892.07


ECM factoring results:
No ECM results for M332431271


Lucas-Lehmer results:
No L-L results for M332431271


PRP results:
No PRP results for M332431271


CERT results:
No CERT results for M332431271


P-1 factor-bounds graph:
B1 = 2980000 (P-1 stage 1)
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105
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103
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107
TF factor-bounds graph:
278
277
276
275
274
273
272
271
270
this exponent TF target: 81
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00