is 2 3233653 - 1
has 973427 decimal digits
takes 0.275 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
Actual26818.432767.6471%10000001343433001.02007.6388%19.452770.1184%2.4714%
PrimeNet2600.047563.3333%140002600000.00342.7684%0.050964.3484%1.0151%
GPU722641.100765.6250%160002800000.00371.6532%1.104566.1933%0.5683%
Difference+4+17.3320+2.0221%+984000+134063300+1.0162+5.9855%+18.3482+3.9251%+3.9251%

Known prime factors (2 factors, 77.3 bits, 0.00238968% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
3233653127211909031133.5671967
7 × 281
-72815.046e-102.706e-63.523e-6
3233653143625414263531443.7072220792
23 × 3 × 7 × 13219
2008-09-308132196.127e-78.982e-50.0002

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
32336531827086313368824280667592477.274
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-01-16T04:02:56Jocelyn LaroucheManual testing32336532336536-
skipped known factor: 12721190903
skipped known factor: 14362541426353
--0.059--3.383%
2022-03-09T23:05:30Jocelyn LaroucheManual testing1000000134343300-
skipped known factor: 12721190903
skipped known factor: 14362541426353
--1.020--7.639%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-30T14:46:00markrManual testing??43.707142.50369e-70.6065.51413e-7
2021-10-01T11:11:55Jocelyn LaroucheManual testing267268--9.244--


ECM factoring results:

Old Calculation Method

Total ECM effort:0.353 GHz-days
Estimated T-Level:0.150
DigitsB1CurvesCompleteFacMiss
20110003 / 1000.03097.030%
25500003 / 2800.01198.932%

New Calculation Method

Total ECM effort:0.353 GHz-days
Estimated T-Level:0.150
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.353


Lucas-Lehmer results:
No L-L results for M3233653


PRP results:
dateuseridcompidcofactorsres64PRP
2017-11-02T07:39:31Oliver KruseGTX-2
12721190903
14362541426353
AEDBCD37E9C6DF__no
2017-12-13T14:55:03kkmrkkblmbrbkc4.xlarge
12721190903
14362541426353
AEDBCD37E9C6DF__no


P-1 factor-bounds graph:
B1 = 1000000, B2 = 134343300 (P-1 stage 2)
B1 = 1000000 (P-1 stage 1)
B1 = 323365, B2 = 3233653 (P-1 stage 2)
B1 = 323365 (P-1 stage 1)
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TF factor-bounds graph:
268
2
230
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2100
Last modified: 2022-03-09T23:05:30+00:00