is 2 2363741 - 1
has 711557 decimal digits
takes 0.160 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
Actual26712.570767.1642 %2000000600000000.50557.6034 %13.076269.6608 %
Target2630.675265.0794 %100007000000.00471.2708 %0.679965.5231 %
Difference+4+11.8955+2.0848 %+1990000+59300000+0.5008+6.3325%+12.3963+4.1377 %

Known prime factors (2 factors, 111.2 bits, 0.00470412% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
236374114182447823.7583
3
-134.731e-131.086e-71.994e-7
23637412092941529634356146427124332787.43644271803248206045976
23 × 541 × 3847 × 1067669 × 2490469
2018-03-311067669249046918,127,5880.11220.2128

1 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2018-03-31alpertronlaptop22000000600000001222787.4360.50510.510%


Trial Factoring results:
5758596061626364656667
No TF results for M2363741


ECM factoring results:
Total ECM effort:14.845 GHz-days
Estimated T-Level:21.430
DigitsB1CompleteFacMiss
20110002.9655.154%
25500000.28675.123%
302500000.01898.168%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.274
50000270235355714.57


Lucas-Lehmer results:
No L-L results for M2363741


PRP results:
dateuseridcompidcofactorsres64
2017-10-12Oliver KruseGTX-1
14182447
28BF5944CB5DA4C5
2017-11-24kkmrkkblmbrbkc4.xlarge
14182447
28BF5944CB5DA4C5
2018-04-01Oliver KruseGTX-1
14182447
209294152963435614642712433
28BF5944CB5DA4C5


CERT results:
No CERT results for M2363741


P-1 factor-bounds graph:
B1 = 2000000, B2 = 60000000 (P-1 stage 2)
B1 = 2000000 (P-1 stage 1)
100
101
102
103
104
105
106
107
100
101
102
103
104
105
106
107
108
TF factor-bounds graph:
this exponent TF target: 63
TF double-checked to: 67
ECM T-Level=21.43 ~= 55-bit
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290
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Last modified: 2024-03-13T02:15:48+00:00