is 2 105568007 - 1
has 31779137 decimal digits
takes 432.975 GHz-days to do one PRP test
Last-known PrimeNet details:
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual276144.968164.4737%7720002322900011.86743.9937%156.835568.4674%5.9674%
PrimeNet2729.058962.5000%450000220000009.65865.3994%18.717567.8994%5.3994%
GPU72276144.968164.4737%7000002400000011.71233.9683%156.680468.4420%3.9683%
Difference---+72000-771000+0.1550+0.0254%+0.1550+0.0254%+0.0254%

Known prime factors (1 factor, 121.7 bits, 0.00011530% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
105568007438738962125547056389471267687322471137121.72320779920668841794862598441765
5 × 13 × 163 × 211 × 1277 × 1319 × 12239 × 25717 × 17533093
25717175330932021-04-061.741e+95.825510.610

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-04-06T20:27:59TheJudgerManual testing772000232290001237121.72311.87866.023.733.994%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-20T20:33:002knarfChipzilla263264--0.019--
2010-09-01T12:28:00carlos56celeron4264265--0.035--
2012-05-12T19:44:00Donna NobleOpt6128x4x4265266--0.071--
2014-06-17T22:26:00Travis Glenn RussoManual testing266267--0.142--
2014-06-23T10:21:00Travis Glenn RussoManual testing267268--0.283--
2014-10-17T15:54:00shaugeManual testing268269--0.566--
2014-10-17T15:54:00shaugeManual testing269270--1.133--
2014-10-17T15:54:00shaugeManual testing270271--2.265--
2018-02-12T21:58:08el groccoManual testing271272--4.530--
2019-12-20T15:14:34Alvin BunkManual testing272273--9.061--
2020-04-07T14:23:36SRBaseManual testing273274--18.12--
2021-03-31T00:41:08dcheukManual testing274275--36.24--
2021-03-31T02:26:01RichD0GPU72_TF275276--72.48--


ECM factoring results:
Exponent "105568007" not found


Lucas-Lehmer results:
Exponent "105568007" not found


PRP results:
Exponent "105568007" not found


P-1 factor-bounds graph:
B1 = 772000, B2 = 23229000 (stage 2)
B1 = 772000 (stage 1)
103
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106
103
104
105
106
107
108
TF factor-bounds graph:
276
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274
273
272
271
270
269
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267
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264
250
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2100
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Last modified: 2021-04-06T20:27:59+00:00