is 2 107207129 - 1
has 32272562 decimal digits
takes 439.698 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual276142.751664.4737%7570007570004.50191.5412%147.253565.0212%0.5475%
PrimeNet2728.920462.5000%450000220000009.65865.4093%18.579064.5285%2.0285%
GPU72276142.751664.4737%7000002400000011.71233.9757%154.464065.8861%1.4124%
Difference---+57000-23243000-7.2104-2.4344%-7.2104-0.8649%-0.8649%

Known prime factors (1 factor, 96.3 bits, 0.00008983% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
107207129980587736553584475927355725772996.308457333269578361937072
24 × 13 × 17 × 83 × 241 × 947 × 33013 × 206819
2021-11-0533013206819209,692,3530.25260.3996

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-11-05T17:06:04Jwb52zClay7570007570002996.3084.502879.49.0041.541%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-12-30T00:00:00ANONYMOUSv4_computers257260--0.001--
2010-04-24T12:50:00sasaki3mate_ma2263264--0.018--
2010-09-07T08:39:00Charles A. Morrispulsar_2264265--0.035--
2012-05-19T04:15:00omiXorpLLB03-z800-16265266--0.070--
2013-09-21T22:13:00MilldangoptiplexGx270266267--0.139--
2022-03-31T15:58:53LordJuliusManual testing21267--0.277--
2015-01-22T19:50:00el groccoManual testing267268--0.279--
2015-01-23T21:54:00planetclownManual testing268269--0.558--
2015-01-23T21:54:00planetclownManual testing269270--1.115--
2015-01-23T21:54:00planetclownManual testing270271--2.231--
2015-01-23T21:54:00planetclownManual testing271272--4.461--
2020-03-06T07:14:52el groccoManual testing272273--8.922--
2020-04-15T05:20:02bayanneGPU72_TF273274--17.84--
2021-04-10T18:02:52TheJudgerManual testing274275--35.69--
2021-04-10T18:02:52TheJudgerManual testing275276--71.38--


ECM factoring results:
No ECM results for M107207129


Lucas-Lehmer results:
No L-L results for M107207129


PRP results:
No PRP results for M107207129


P-1 factor-bounds graph:
B1 = 757000 (P-1 stage 1)
103
104
105
106
103
104
105
106
TF factor-bounds graph:
276
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274
273
272
271
270
269
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266
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Last modified: 2022-03-31T15:58:53+00:00