is 2 302411 - 1
has 91035 decimal digits
takes 0.002 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
Actual26798.256771.6418 %10000006587182602037.015112.7734 %135.271875.2641 %
Target2440.000056.8182 %55007500000.000511.4053 %0.000561.7432 %
Difference+23+98.2567+14.8236 %+994500+65871076020+37.0146+1.3681%+135.2713+13.5209 %

Known prime factors (2 factors, 100.0 bits, 0.03305485% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
302411604823619.2061
1
-112.310e-131.031e-82.098e-8
30241120407313656302035715870232580.7553374102406377750101
17 × 4249793 × 46702654021
2017-10-26424979346702654021809,71426.27849.003

1 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2022-02-06Lisander ViaeneManual testing5000050000
skipped known factor: 604823
--0.0019.767%
2023-03-15Denial140i5-8400100000065871826020
skipped known factor: 604823
--43.7448.861%
2024-02-21Denial140i5-84001000000010000000
skipped known factor: 604823
--0.10125.594%


P+1 Factoring results:
dateuseridcompidb1b2startfactorSmoothdigitsbits*ghz-days
2021-04-24nordisweet1610000000101000000027--0.693
2021-04-29nordisweet1610000000101000000065--0.693


Trial Factoring results:
5758596061626364656667
No TF results for M302411


ECM factoring results:
Total ECM effort:14.101 GHz-days
Estimated T-Level:27.713
DigitsB1CompleteFacMiss
201100039.1010.000%
25500005.3430.478%
302500000.54358.125%
3510000000.04495.732%
4030000000.00399.712%


ECM Summary

B1B2factorcurvesGHz-days
5000050000002912.220
250000250000001054.005
25000025000000371.384
250000367500001506.492


Lucas-Lehmer results:
No L-L results for M302411


PRP results:
dateuseridcompidcofactorsres64
2017-09-22Oliver KruseOllaptop
604823
FAE38BEBABB42E06
2017-09-22Oliver KruseManual testing
604823
FAE38BEBABB42E06
2017-10-12Oliver KruseGTX-1
604823
FAE38BEBABB42E06
2017-10-26Oliver KruseGTX-1
604823
2040731365630203571587023
FCCC0A617EFDF51D
2017-10-27noknopcr2-srv
604823
2040731365630203571587023
725D378A40A2B083
2017-10-27kkmrkkblmbrbkc4.xlarge
604823
2040731365630203571587023
FCCC0A617EFDF51D
2017-11-02kkmrkkblmbrbkc4.xlarge
604823
2040731365630203571587023
725D378A40A2B083
2022-05-12Jorge CoveiroManual testing
604823
FCCC0A617EFDF51D
2022-05-12Jorge CoveiroManual testing
604823
FCCC0A617EFDF51D


CERT results:
No CERT results for M302411


P-1 factor-bounds graph:
B1 = 1000000, B2 = 65871826020 (P-1 stage 2)
B1 = 10000000 (P-1 stage 1)
B1 = 1000000 (P-1 stage 1)
B1 = 50000 (P-1 stage 1)
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101
102
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105
106
107
100
101
102
103
104
105
106
107
108
109
1010
1011
TF factor-bounds graph:
this exponent TF target: 44
TF double-checked to: 67
ECM T-Level=27.71 ~= 75-bit
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Last modified: 2024-02-21T23:22:57+00:00