is 2 95523143 - 1
has 28755332 decimal digits
takes 346.006 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
Actual277320.426764.9351 %745000147137507.91013.2576 %328.336866.0773 %
Target27580.105364.0000 %65000011000000034.70514.2033 %114.810365.5132 %
Difference+2+240.3214+0.9351 %+95000-95286250-26.7949-0.9457 %+213.5265+0.5641 %

Known prime factors (1 factor, 93.9 bits, 0.00009834% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
95523143190252605516284940542468976312993.94299584561155135431705
3 × 5 × 11 × 73 × 5197 × 290597 × 5474461
2019-12-09290597547446127,749,4793.00973.1062

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2019-12-09TheJudgerManual testing745000147137501222993.9427.9103.954%


Trial Factoring results:
575859606162636465666768697071727374757677
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2011-01-07Architects Cubedm1_812642650.039
2014-02-20Carsten KossendeyManual testing2652680.548
2014-03-26g0bManual testing2682690.626
2014-04-28g0bManual testing2692701.252
2014-10-05Larry LogoryManual testing2702712.503
2018-12-04Andrew LuebkeManual testing2712725.007
2019-04-02Niels_Mache_NextcloudManual testing27227310.01
2019-10-31lobsterfordinnerManual testing27327420.03
2019-11-10TheJudgerManual testing274277280.4


ECM factoring results:
No ECM results for M95523143


Lucas-Lehmer results:
No L-L results for M95523143


PRP results:
No PRP results for M95523143


CERT results:
No CERT results for M95523143


P-1 factor-bounds graph:
B1 = 745000, B2 = 14713750 (P-1 stage 2)
B1 = 745000 (P-1 stage 1)
104
105
106
104
105
106
107
108
TF factor-bounds graph:
277
274
273
272
271
270
269
268
265
this exponent TF target: 75
TF double-checked to: 67
250
260
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280
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2100
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Last modified: 2024-03-13T02:15:48+00:00