is 2 100905361 - 1
has 30375541 decimal digits
takes 384.842 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
Actual27437.915463.5135 %----37.915463.5135 %
Target276151.666864.4737 %65000011000000036.54143.8446 %188.208265.8395 %
Difference-2-113.7514-0.9602 %-650000-110000000-36.5414-3.8446 %-150.2929-2.3260 %

Known prime factors (1 factor, 73.9 bits, 0.00007323% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
100905361175685581663142538816232373.89587054632143451
7 × 23 × 22133 × 24430127		2019-12-15221332443012727.3737.476513.748

P-1 results:
No P-1 results for M100905361


Trial Factoring results:
5758596061626364656667686970717273747576
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-01-311997rj7compw2632640.019
2010-08-11Torchwood InstituteHTPC-XP_V22642650.037
2011-02-17Craig MeyersManual testing2652660.074
2011-04-02Craig MeyersManual testing2662670.148
2013-08-24AdolfNorManual testing2672680.296
2013-10-25RobishManual testing2682690.592
2013-10-26roemer2201HPCC2692701.185
2014-05-21kutensalgol2702712.370
2014-12-06Quantum SingularityManual testing2712724.740
2019-12-15ViliamFManual testing272274
73.895
23
26.46


ECM factoring results:
No ECM results for M100905361


Lucas-Lehmer results:
No L-L results for M100905361


PRP results:
No PRP results for M100905361


CERT results:
No CERT results for M100905361


P-1 factor-bounds graph:
103
104
105
103
104
105
106
107
108
TF factor-bounds graph:
274
272
271
270
269
268
267
266
265
264
this exponent TF target: 76
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-04-17T15:19:26+00:00