is 2 101488399 - 1
has 30551053 decimal digits
takes 404.086 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
Actual276150.795564.4737%7460007460004.30691.5190%155.102465.0133%0.5397%
PrimeNet2729.423162.5000%400000200000008.47445.2084%17.897564.4532%1.9532%
GPU72276150.795564.4737%6500002200000010.46823.8474%161.263765.8405%1.3668%
Difference---+96000-21254000-6.1613-2.3283%-6.1613-0.8272%-0.8272%

Known prime factors (1 factor, 78.1 bits, 0.00007693% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1014883993180840544632791328792172478.0741567095636533192
23 × 31 × 59 × 211 × 2437 × 208283
2020-12-0724372082831,085.20.07880.1224

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2020-12-07T03:46:46Jwb52zClay7460007460002478.0744.307808.28.6141.519%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-21T22:13:001997rj7Manual testing263264--0.019--
2010-08-13T22:44:00Donna NoblePH9500264265--0.037--
2012-04-16T13:37:00BloodIceMjolnir4265266--0.074--
2013-08-26T19:44:00PascalBieriManual testing266267--0.147--
2013-08-28T15:20:00PascalBieriManual testing267268--0.295--
2013-08-29T19:17:00PascalBieriManual testing268269--0.589--
2013-09-02T12:44:00SMoffatManual testing269270--1.178--
2013-09-05T00:53:00SMoffatManual testing270271--2.356--
2014-12-05T14:41:00Bob JoestingOpt780271272--4.712--
2020-03-23T16:33:01el groccoGPU72_TF272273--9.425--
2020-03-29T09:54:14SRBaseManual testing273274--18.85--
2020-10-10T18:25:30TheJudgerManual testing274275--37.70--
2020-10-10T18:25:30TheJudgerManual testing275276--75.40--


ECM factoring results:
No ECM results for M101488399


Lucas-Lehmer results:
No L-L results for M101488399


PRP results:
No PRP results for M101488399


P-1 factor-bounds graph:
B1 = 746000 (P-1 stage 1)
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105
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103
104
105
106
TF factor-bounds graph:
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2100
Last modified: 2020-12-07T03:46:46+00:00