is 2 332216147 - 1
has 100007026 decimal digits
takes 4,941.715 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
Actual279368.534763.2911 %----368.534763.2911 %
Target2811,474.140664.1975 %1900000400000000508.79794.0317 %1,982.938465.6410 %
Difference-2-1,105.6058-0.9064 %-1900000-400000000-508.7979-4.0317 %-1,614.4037-2.3498 %

Known prime factors (1 factor, 79.8 bits, 0.00002403% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
33221614710683454021005647662448812579.8221607907098658520
23 × 5 × 11 × 19 × 47 × 599 × 6831719
2011-05-125996831719368.538.040314.994

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2011-05-12killrpoohMain_beast2579.822113.00.000%


Trial Factoring results:
57585960616263646566676869707172737475767778798081
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2023-10-18James HeinrichManual testing267268
2008-11-14werdwerdusA64_x22682690.180
2008-11-14werdwerdusA64_x22692700.360
2008-11-16Mark DeVirgiliolinux2702710.720
2008-12-01Mark DeVirgiliolinux2712721.440
2008-12-08Mark DeVirgiliolinux2722732.879
2009-01-02Mark DeVirgiliolinux2732745.758
2009-02-15Mark DeVirgiliolinux27427511.52
2010-12-24TheJudgerManual testing27527623.03
2010-12-24TheJudgerManual testing27627746.07
2010-12-24TheJudgerManual testing27727892.13
2010-12-24TheJudgerManual testing278279184.3


ECM factoring results:
No ECM results for M332216147


Lucas-Lehmer results:
No L-L results for M332216147


PRP results:
No PRP results for M332216147


CERT results:
No CERT results for M332216147


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
107
TF factor-bounds graph:
279
278
277
276
275
274
273
272
271
270
269
268
this exponent TF target: 81
TF double-checked to: 67
250
260
270
280
290
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Last modified: 2024-03-13T02:15:48+00:00