is 2 1804133 - 1
has 543099 decimal digits
takes 0.098 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
Actual26716.469968.6567%500000150000000.10155.0599%16.571470.2427%1.5859%
PrimeNet2570.010663.1579%80001500000.00122.8714%0.011964.2158%1.0579%
GPU722610.170365.5738%90001300000.00121.5551%0.171566.1091%0.5354%
Difference+6+16.2997+3.0829%+491000+14870000+0.1002+3.5048%+16.3999+4.1335%+4.1335%

Known prime factors (1 factor, 24.6 bits, 0.00136299% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
180413325257863824.5907
7
-171.241e-121.044e-71.601e-7

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-03-16T12:36:08alpertronManual testing5000001500000012-
skipped known factor: 25257863
--0.101--5.060%


Trial Factoring results:
No TF results for M1804133


ECM factoring results:

Old Calculation Method

Total ECM effort:17.791 GHz-days
Estimated T-Level:24.607
DigitsB1CurvesCompleteFacMiss
2011000258 / 1002.5807.480%
2550000258 / 2800.92139.729%

New Calculation Method

Total ECM effort:17.791 GHz-days
Estimated T-Level:24.607
DigitsB1CompleteFacMiss
20110009.9230.005%
25500000.91839.926%
302500000.05894.373%
3510000000.00399.730%


ECM Summary

B1B2factorcurvesGHz-days
50000500000025817.79


Lucas-Lehmer results:
No L-L results for M1804133


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-03T19:24:01Oliver KruseGTX-0
25257863
4F8C122951A2C2__no
2017-11-11T03:25:29kkmrkkblmbrbkc4.xlarge
25257863
4F8C122951A2C2__no


P-1 factor-bounds graph:
B1 = 500000, B2 = 15000000 (P-1 stage 2)
B1 = 500000 (P-1 stage 1)
100
101
102
103
104
105
106
100
101
102
103
104
105
106
107
108
TF factor-bounds graph:
267
220
230
240
250
260
270
280
290
2100
Last modified: 2021-01-08T11:40:06+00:00