is 2 100245479 - 1
has 30176897 decimal digits
takes 382.325 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
Actual276152.665264.4737 %840000172200009.58063.7829 %162.245765.8176 %
Target276152.665264.4737 %65000011000000036.54143.8416 %189.206665.8385 %
Difference---+190000-92780000-26.9609-0.0587 %-26.9609-0.0208 %

Known prime factors (1 factor, 112.0 bits, 0.00011171% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
100245479513314230361928938396100589123500734111.98325602861868809512017798857
3 × 79 × 271 × 15607 × 19073 × 222799 × 6010619
2020-10-1122279960106191.721e+92.97603.3824

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2020-10-11Ben Deloi-05190a241c8c429858400001722000012234111.9839.583.783%


Trial Factoring results:
5758596061626364656667686970717273747576
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-01-111997rj7Manual testing2632640.020
2010-08-09Torchwood InstituteHTPC-V642642650.037
2011-02-06Craig MeyersManual testing2652660.075
2011-03-11Craig MeyersManual testing2662670.149
2013-09-21processinfoManual testing2672680.298
2013-09-22PascalBieriManual testing2682690.596
2013-10-09ANONYMOUS2692701.193
2013-10-10Ryan PropperManual testing2702712.385
2014-12-23workerthreadManual testing2712724.771
2020-02-10el groccoManual testing2722739.54
2020-02-25ixfd64Manual testing27327419.08
2020-06-18lobsterfordinnerManual testing27427538.17
2020-07-20penluManual testing27527676.33


ECM factoring results:
No ECM results for M100245479


Lucas-Lehmer results:
No L-L results for M100245479


PRP results:
No PRP results for M100245479


CERT results:
No CERT results for M100245479


P-1 factor-bounds graph:
B1 = 840000, B2 = 17220000 (P-1 stage 2)
B1 = 840000 (P-1 stage 1)
104
105
106
104
105
106
107
108
TF factor-bounds graph:
276
275
274
273
272
271
270
269
268
267
266
265
264
this exponent TF target: 76
TF double-checked to: 67
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2120
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Last modified: 2024-03-13T02:15:48+00:00