is 2 2300563 - 1
has 692539 decimal digits
takes 0.155 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
Actual26712.915967.1642%50000005050000003.158210.9706%16.074270.7665%8.6975%
PrimeNet2580.016762.0690%100001900000.00192.9281%0.018663.1796%1.1107%
GPU722620.267064.5161%120002000000.00221.7376%0.269265.1327%0.6166%
Difference+5+12.6489+2.6481%+4988000+504800000+3.1560+9.2330%+15.8049+5.6338%+5.6338%

Known prime factors (3 factors, 202.8 bits, 0.00881451% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
2300563993843217929.888216
23 × 33
-27273.254e-112.645e-65.383e-6
230056350894961122987542186072272.1081106141434139981
31 × 35681981746451
2021-04-273135681981746451478.78190,431355,672
2300563218720149084850963949351856975331100.787475362224561663740461252
22 × 3 × 19 × 23 × 14323 × 29411 × 451411 × 476701
2018-02-144514114767016.566e+100.04440.0900

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
2300563505816118915598715771270213871931101.996
2300563217373536589207887976974874601256041540140130.675
230056311131753484487529063531296368715087707883601739994
071
53172.895
230056311063217693874045480880940963264220924040195014822
505083566407
62202.783
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2018-02-15T02:43:48alpertronManual testing5000001500000031100.7870.0490.3110.0985.210%
2018-02-22T18:46:01alpertronManual testing5000001500000012---0.126--5.210%
2021-04-04T09:04:03ViliamF35000000505000000---3.158--10.971%


P+1 Factoring results:
dateuseridcompidb1b2startfactorSmoothdigitsbits*ghz-days
2021-04-27T01:25:29Dylan Delgadolaptop-ryzen73700200000014600000027P+12272.1081.023


Trial Factoring results:
Exponent "2300563" not found


ECM factoring results:
Total ECM effort:0.265 GHz-days
Estimated T-Level:0.150
DigitsB1CurvesCompleteFacMiss
20110003 / 1000.03097.030%
25500003 / 2800.01198.932%

ECM Summary

B1B2factorcurvesGHz-days
50000500000030.265


Lucas-Lehmer results:
Exponent "2300563" not found


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-11T12:03:39Oliver KruseGTX-0
993843217
57233E09DD82A3__no
2017-11-22T17:40:12kkmrkkblmbrbkc4.xlarge
993843217
57233E09DD82A3__no
2018-02-16T15:56:23alpertronManual testing
993843217
2187201490848509639493518569753
C59B3150129E85__no
2018-02-17T05:47:38Oliver KruseGTX-6
993843217
2187201490848509639493518569753
C59B3150129E85__no
2018-02-17T12:32:14AdolfNorManual testing
993843217
2187201490848509639493518569753
C59B3150129E85__no
2021-04-27T04:37:06mikrNitron
993843217
5089496112298754218607
2187201490848509639493518569753
C59B3150129E852Cno
2021-04-27T21:07:48XZTN4640G1
993843217
5089496112298754218607
2187201490848509639493518569753
C59B3150129E852Cno


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)
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TF factor-bounds graph:
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Last modified: 2021-04-27T21:07:48+00:00