is 2 1830613 - 1
has 551070 decimal digits
takes 0.099 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual26716.231768.6567 %500000150000000.10155.0688 %16.333270.2454 %
Target2610.167865.5738 %90007000000.00371.5947 %0.171566.1228 %
Difference+6+16.0639+3.0829 %+491000+14300000+0.0978+3.4741%+16.1617+4.1227 %

Known prime factors (1 factor, 26.1 bits, 0.00142716% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
183061373224521826.12620
22 × 5
-454.905e-123.189e-76.404e-7

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2016-03-16alpertronManual testing5000001500000012
skipped known factor: 73224521
---8.865%


Trial Factoring results:
5758596061626364656667
No TF results for M1830613


ECM factoring results:
Total ECM effort:39.066 GHz-days
Estimated T-Level:25.704
DigitsB1CompleteFacMiss
201100015.1470.000%
25500001.68318.581%
302500000.14186.872%
3510000000.01099.049%


ECM Summary

B1B2factorcurvesGHz-days
500005000000322.210
50000660000021917.05
50000675000070.551
250000400000004519.25


Lucas-Lehmer results:
No L-L results for M1830613


PRP results:
dateuseridcompidcofactorsres64
2017-10-04Oliver KruseGTX-1
73224521
AAB6D3FFCC8D9CB4
2017-11-06kkmrkkblmbrbkc4.xlarge
73224521
AAB6D3FFCC8D9CB4


CERT results:
No CERT results for M1830613


P-1 factor-bounds graph:
B1 = 500000, B2 = 15000000 (P-1 stage 2)
B1 = 500000 (P-1 stage 1)
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108
TF factor-bounds graph:
this exponent TF target: 61
TF double-checked to: 67
ECM T-Level=25.7 ~= 69-bit
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Last modified: 2024-03-13T02:15:48+00:00