is 2 2315107 - 1
has 696917 decimal digits
takes 0.156 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
Actual26712.834867.1642%50000005050000003.158210.9766%15.993070.7684%8.6995%
PrimeNet2580.016662.0690%100001900000.00192.9315%0.018563.1809%1.1120%
GPU722620.265464.5161%130002000000.00231.7813%0.267665.1482%0.6321%
Difference+5+12.5694+2.6481%+4987000+504800000+3.1560+9.1953%+15.7254+5.6202%+5.6202%

Known prime factors (2 factors, 144.2 bits, 0.00622877% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
231510755562569825.72812
22 × 3
-441.936e-123.918e-77.974e-7
231510746189691335793922913647931187022427336118.47599757141539881143536017841048
23 × 3 × 7 × 59 × 13381 × 412537 × 3978523 × 458257259
2021-06-0839785234582572596.150e+102.81424.5678

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
23151072566417911933752011670244218286185521403733744144.203
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2018-02-23T18:15:27alpertronManual testing5000001500000012---0.126--5.214%
2021-06-08T19:13:10ViliamFManual testing500000050500000036118.4753.1580.3136.31610.977%


Trial Factoring results:
Exponent "2315107" not found


ECM factoring results:
Total ECM effort:0.266 GHz-days
Estimated T-Level:0.150
DigitsB1CurvesCompleteFacMiss
20110003 / 1000.03097.030%
25500003 / 2800.01198.932%

ECM Summary

B1B2factorcurvesGHz-days
50000500000030.266


Lucas-Lehmer results:
Exponent "2315107" not found


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-11T17:18:41Oliver KruseGTX-2
55562569
2FAA219AAD801E__no
2017-11-23T04:26:12kkmrkkblmbrbkc4.xlarge
55562569
2FAA219AAD801E__no
2021-06-08T19:19:50ViliamF3
55562569
461896913357939229136479311870224273
6AE89447D8E7DD6Eno


P-1 factor-bounds graph:
B1 = 5000000, B2 = 505000000 (stage 2)
B1 = 5000000 (stage 1)
B1 = 500000, B2 = 15000000 (stage 2)
B1 = 500000 (stage 1)
100
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103
104
105
106
107
100
101
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105
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109
TF factor-bounds graph:
267
220
230
240
250
260
270
280
290
2100
2110
2120
Last modified: 2021-06-08T19:19:50+00:00