is 2 2299327 - 1
has 692167 decimal digits
takes 0.155 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
Actual26712.922967.1642%500000150000000.12645.2096%13.049268.8748%1.7106%
PrimeNet2580.016762.0690%100001900000.00192.9278%0.018663.1795%1.1106%
GPU722620.267264.5161%120002000000.00221.7374%0.269465.1326%0.6165%
Difference+5+12.6557+2.6481%+488000+14800000+0.1242+3.4722%+12.7799+3.7422%+3.7422%

Known prime factors (3 factors, 185.7 bits, 0.00807548% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
2299327298912511928.15565
5 × 13
-5131.577e-115.325e-79.968e-7
229932714253436099931340.374309948
22 × 3 × 23 × 1123
2008-07-142311236.933e-88.124e-61.118e-5
229932718464081816638073295559808154528683936117.15240151056845411882032350788197
40151056845411882032350788197
2018-01-311401510568454118820323507881976.573e+102.143e+204.002e+20

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
22993274260530375008123224232168.530
22993275519145059120728066977827406148444926074272944145.307
229932726317661031733020881821347412814433501493178212748157.527
229932778666781426421679534006532085677158949738481489286
490897
56185.682
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-05-01T18:58:24alpertronManual testing5000001500000012-
skipped known factor: 298912511
skipped known factor: 1425343609993
--0.126--5.210%


Trial Factoring results:
No TF results for M2299327


ECM factoring results:

Old Calculation Method

Total ECM effort:0.354 GHz-days
Estimated T-Level:0.200
DigitsB1CurvesCompleteFacMiss
20110004 / 1000.04096.060%
25500004 / 2800.01498.579%

New Calculation Method

Total ECM effort:0.354 GHz-days
Estimated T-Level:0.200
DigitsB1CompleteFacMiss
20110000.15485.740%
25500000.01498.587%


ECM Summary

B1B2factorcurvesGHz-days
10.00000e+0
50000500000030.265
50000500000010.088


Lucas-Lehmer results:
No L-L results for M2299327


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-11T11:35:09Oliver KruseGTX-2
298912511
1425343609993
81CA1288336056__no
2017-11-22T16:42:53kkmrkkblmbrbkc4.xlarge
298912511
1425343609993
81CA1288336056__no
2018-02-01T02:52:51treborLaptop
298912511
1425343609993
184640818166380732955598081545286839
9A816BEF485796__no
2018-02-02T14:30:17Oliver KruseGTX-4
298912511
1425343609993
184640818166380732955598081545286839
9A816BEF485796__no


P-1 factor-bounds graph:
B1 = 500000, B2 = 15000000 (P-1 stage 2)
B1 = 500000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2018-09-18T19:58:49+00:00