is 2 99802387 - 1
has 30043513 decimal digits
takes 380.635 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
Actual278613.377265.3846 %7250007250004.00941.1850 %617.386565.7948 %
Target276153.343064.4737 %65000011000000036.54143.8395 %189.884465.8377 %
Difference+2+460.0342+0.9109 %+75000-109275000-32.5321-2.6545 %+427.5021-0.0429 %

Known prime factors (1 factor, 89.2 bits, 0.00008936% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
998023877010042060447871826829574412789.1803511961121955866560
26 × 5 × 43 × 19157 × 36131 × 368743
2020-07-29361313687431,669,4950.30000.4066

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2020-07-29Xyzzy1920X72500072500012789.1804.0091.496%


Trial Factoring results:
57585960616263646566676869707172737475767778
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-11-181997rj7compa2642650.037
2012-05-23Jimmy BrüggemanniMac22652660.075
2013-08-16Le ComteManual testing2662670.150
2013-08-21RobishManual testing2672680.300
2014-06-04ANONYMOUS2682690.599
2014-06-27ANONYMOUS2692701.198
2014-10-02Templarfdesk22702712.396
2017-01-21monstManual testing2712724.792
2019-05-20monstManual testing2722739.58
2019-12-23ixfd64Manual testing27327419.17
2020-03-15krackerGoogle_Colab27427538.34
2020-04-29TheJudgerManual testing27527676.67
2020-07-12ChuckGPU72_TF276277153.3
2020-07-23Ryan PropperManual testing277278306.7


ECM factoring results:
No ECM results for M99802387


Lucas-Lehmer results:
No L-L results for M99802387


PRP results:
No PRP results for M99802387


CERT results:
No CERT results for M99802387


P-1 factor-bounds graph:
B1 = 725000 (P-1 stage 1)
103
104
105
106
103
104
105
106
TF factor-bounds graph:
278
277
276
275
274
273
272
271
270
269
268
267
266
265
this exponent TF target: 76
TF double-checked to: 67
250
260
270
280
290
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Last modified: 2024-03-13T02:15:48+00:00