is 2 332272879 - 1
has 100024104 decimal digits
takes 4,942.559 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
Actual2811,473.888964.1975 %254500057262500119.19243.9206 %1,593.081265.6012 %
Target2811,473.888964.1975 %1900000400000000508.79794.0318 %1,982.686865.6410 %
Difference---+645000-342737500-389.6055-0.1112 %-389.6055-0.0398 %

Known prime factors (1 factor, 81.5 bits, 0.00002454% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
33227287934896418833597983322254392581.5295251168698844961
3919 × 388499 × 3448981
2021-05-1938849934489811,473.911.97617.054

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2021-05-19Siarhei P.Manual testing254500057262500622581.529119.23.921%


Trial Factoring results:
57585960616263646566676869707172737475767778798081
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2008-12-09starryntev4_computers2612620.001
2008-12-09starryntev4_computers2622630.003
2022-07-07LordJuliusManual testing263268
2009-05-25Team_Inspectorthumbelina2682690.180
2010-01-08Team_Inspectorthumbelina2692700.360
2011-06-06Grant McCrackenwork-i52702710.720
2011-10-09Grant McCrackenwork-i52712721.439
2011-10-11Grant McCrackenwork-i52722732.879
2012-09-11Team_Inspectorspudboy22732745.757
2013-08-01Team_InspectorSpudBoy327427511.51
2014-03-29Team_InspectorAngelou27527623.03
2014-07-30Team_InspectorFishbeck27627746.06
2020-11-09Siarhei P.Manual testing27727892.12
2020-11-09Siarhei P.Manual testing278279184.2
2020-11-09Siarhei P.Manual testing279280368.5
2020-11-09Siarhei P.Manual testing280281736.9


ECM factoring results:
No ECM results for M332272879


Lucas-Lehmer results:
No L-L results for M332272879


PRP results:
No PRP results for M332272879


CERT results:
No CERT results for M332272879


P-1 factor-bounds graph:
B1 = 2545000, B2 = 57262500 (P-1 stage 2)
B1 = 2545000 (P-1 stage 1)
104
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104
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108
TF factor-bounds graph:
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this exponent TF target: 81
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00