is 2 332220859 - 1
has 100008444 decimal digits
takes 4,941.785 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
Actual279368.529563.2911 %300000079500000154.60335.0250 %523.132865.1358 %
Target2811,474.119764.1975 %1900000400000000508.79794.0317 %1,982.917565.6410 %
Difference-2-1,105.5901-0.9064 %+1100000-320500000-354.1946+0.9933%-1,459.7847-0.5052 %

Known prime factors (1 factor, 89.6 bits, 0.00002696% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
3322208599065017825196646362884231992789.5501364305939802028861
3 × 11 × 17 × 307 × 1495867 × 5295629
2015-06-2414958675295629377,37536.72965.663

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2015-06-24aurashiftusslcburnin273000000795000001222789.550163.94.235%


Trial Factoring results:
57585960616263646566676869707172737475767778798081
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2023-10-18James HeinrichManual testing267268
2008-12-05Team_Inspectorthumbelina2682690.180
2008-12-18cnaTb_xo4yManual testing2692700.360
2008-12-22cnaTb_xo4yManual testing2702710.720
2008-12-25cnaTb_xo4yManual testing2712721.440
2009-01-13cnaTb_xo4yManual testing2722732.879
2009-02-07cnaTb_xo4yManual testing2732745.758
2009-03-20cnaTb_xo4yManual testing27427511.52
2010-12-12TheJudgerManual testing27527623.03
2010-12-12TheJudgerManual testing27627746.07
2010-12-12TheJudgerManual testing27727892.13
2010-12-12TheJudgerManual testing278279184.3


ECM factoring results:
No ECM results for M332220859


Lucas-Lehmer results:
No L-L results for M332220859


PRP results:
No PRP results for M332220859


CERT results:
No CERT results for M332220859


P-1 factor-bounds graph:
B1 = 3000000, B2 = 79500000 (P-1 stage 2)
B1 = 3000000 (P-1 stage 1)
105
106
107
105
106
107
108
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