is 2 84762919 - 1
has 25516182 decimal digits
takes 264.502 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
Actual276180.550664.4737 %----180.550664.4737 %
Target27590.274264.0000 %5500009500000025.77233.9428 %116.046565.4194 %
Difference+1+90.2763+0.4737 %-550000-95000000-25.7723-3.9428 %+64.5041-0.9457 %

Known prime factors (1 factor, 101.1 bits, 0.00011922% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
84762919263842209790417921182183311011331101.05815563539629305234355024
24 × 32 × 37 × 71 × 103 × 157 × 2591 × 7919 × 123997
2017-12-0279191239972.109e+90.06440.0729

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2017-12-02Stoyan FurnadzhievCTORH-OFFICE31101.0583.1900.000%


Trial Factoring results:
5758596061626364656667686970717273747576
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-12-09Architects Cubedm1_sa2642650.044
2012-08-16Carsten KossendeyManual testing2652660.088
2013-08-13Le ComteManual testing2662670.176
2013-08-16La GüiraManual testing26727210.93
2016-12-20Judge HaleManual testing27227311.28
2017-05-19ANONYMOUSManual testing27327422.57
2017-06-24Kevin JagetManual testing274276135.4


ECM factoring results:
No ECM results for M84762919


Lucas-Lehmer results:
No L-L results for M84762919


PRP results:
No PRP results for M84762919


CERT results:
No CERT results for M84762919


P-1 factor-bounds graph:
102
103
104
102
103
104
105
106
TF factor-bounds graph:
276
274
273
272
267
266
265
this exponent TF target: 75
TF double-checked to: 67
250
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2110
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Last modified: 2024-03-13T02:15:48+00:00