is 2 92303513 - 1
has 27786127 decimal digits
takes 334.344 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
Actual277331.603564.9351 %7050007050003.70281.3001 %335.306365.3910 %
Target27582.899464.0000 %60000011000000034.45684.1428 %117.356265.4914 %
Difference+2+248.7040+0.9351 %+105000-109295000-30.7539-2.8426 %+217.9501-0.1004 %

Known prime factors (1 factor, 78.3 bits, 0.00008486% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
923035133797421395149679922318012478.3292057029722774300
22 × 3 × 52 × 347 × 41233 × 479231
2019-08-0741233479231680.440.34190.4407

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2019-08-07Maciej KmieciakAsrock70500070500012478.3293.7031.640%


Trial Factoring results:
575859606162636465666768697071727374757677
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-12-28Architects Cubedm1_832642650.040
2013-07-06David CampeauManual testing2652660.081
2014-02-05ANONYMOUS2662691.133
2014-04-08g0bManual testing2692701.295
2014-09-19shaugeManual testing2702712.591
2018-04-21gcardonaManual testing2712725.181
2019-01-09DerekManual testing27227310.36
2019-02-20Tim SorberaManual testing27327420.73
2019-04-16RichD0Manual testing27427541.45
2019-04-16penluManual testing27527682.90
2019-05-161997rj7Manual testing276277165.8


ECM factoring results:
No ECM results for M92303513


Lucas-Lehmer results:
No L-L results for M92303513


PRP results:
No PRP results for M92303513


CERT results:
No CERT results for M92303513


P-1 factor-bounds graph:
B1 = 705000 (P-1 stage 1)
103
104
105
106
103
104
105
106
TF factor-bounds graph:
277
276
275
274
273
272
271
270
269
266
265
this exponent TF target: 75
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00