is 2 98177647 - 1
has 29554417 decimal digits
takes 374.439 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
Actual27319.483563.0137 %9650009650005.33662.3479 %24.820163.8821 %
Target276155.880664.4737 %60000011000000036.28003.7903 %192.160665.8202 %
Difference-3-136.3971-1.4600 %+365000-109035000-30.9434-1.4424 %-167.3405-1.9381 %

Known prime factors (1 factor, 103.3 bits, 0.00010525% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
981776471280184799265968538891891789995332103.33665197366120720358010408
23 × 3 × 13 × 181 × 229 × 22811 × 377831 × 584951
2019-10-083778315849511.493e+92.15194.2524

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2019-10-08Ryan PropperManual testing965000965000132103.3366.1411.687%


Trial Factoring results:
5758596061626364656667686970717273747576
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2013-07-25g0bManual testing2652660.076
2013-08-22ManpowreManual testing2662702.283
2014-02-22SMoffatManual testing2702712.436
2018-10-21masserManual testing2712724.871
2019-05-16Niels_Mache_NextcloudManual testing2722739.74


ECM factoring results:
No ECM results for M98177647


Lucas-Lehmer results:
No L-L results for M98177647


PRP results:
No PRP results for M98177647


CERT results:
No CERT results for M98177647


P-1 factor-bounds graph:
B1 = 965000 (P-1 stage 1)
104
105
106
104
105
106
TF factor-bounds graph:
273
272
271
270
266
this exponent TF target: 76
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00