is 2 5035819 - 1
has 1515933 decimal digits
takes 0.698 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L0ADCE17641E20058double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual273379.847768.4932 %40000009177537600101.256710.3213 %481.104471.7451 %
Target2651.448864.6154 %3400035000000.04482.4189 %1.493565.4713 %
Difference+8+378.3990+3.8778 %+3966000+9174037600+101.2119+7.9024%+479.6109+6.2738 %

Known prime factors:
No known factors for M5035819

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2006-01-15Jossv4_computers20002000--0.0000.050%
2009-07-21USAFSSP4_2600550009075006--0.0202.852%
2014-11-17JossManual testing6774567745--0.0141.148%
2017-03-01Squeeky_Squirreli5-5250U_1600300000937500012--0.1606.007%
2022-05-02Sid & AndyMagic_8_Ball40000009177537600--120.617.573%


P+1 Factoring results:
dateuseridcompidb1b2startfactorSmoothdigitsbits*ghz-days
2021-10-27ATH5960X25000008750000027--1.676


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1998-01-26ANONYMOUSv4_computers212610.030
2016-02-23Mark RoseManual testing2612630.292
2014-12-16VictordeHollanderManual testing2632651.132
2015-07-28snme2pm1Manual testing2652661.484
2016-05-17Gordon SpenceManual testing2662672.968
2018-06-11ramgeisManual testing2672685.936
2021-01-18TJAOIManual testing26826911.87
2021-04-01ANONYMOUSManual testing269272166.2
2021-04-05ANONYMOUSManual testing272273189.9


ECM factoring results:
Total ECM effort:1.897 GHz-days
Estimated T-Level:1.731
DigitsB1CompleteFacMiss
20110000.34670.740%
25500000.03296.848%
302500000.00299.798%


ECM Summary

B1B2factorcurvesGHz-days
50000500000091.897


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1998-08-30ANONYMOUSv4_computers0ADCE17641E200580.698
2000-04-27ANONYMOUSv4_computers0ADCE17641E200580.698


PRP results:
No PRP results for M5035819


CERT results:
No CERT results for M5035819


P-1 factor-bounds graph:
B1 = 4000000, B2 = 9177537600 (P-1 stage 2)
B1 = 4000000 (P-1 stage 1)
B1 = 300000, B2 = 9375000 (P-1 stage 2)
B1 = 300000 (P-1 stage 1)
B1 = 55000, B2 = 907500 (P-1 stage 2)
B1 = 67745 (P-1 stage 1)
B1 = 55000 (P-1 stage 1)
B1 = 2000 (P-1 stage 1)
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103
104
105
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107
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104
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109
1010
TF factor-bounds graph:
273
272
269
268
267
266
265
263
261
this exponent TF target: 65
TF double-checked to: 67
ECM T-Level=1.73 ~= -11-bit
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Last modified: 2024-03-13T02:15:48+00:00