is 2 929 - 1
has 280 decimal digits
takes 0.000 GHz-days to do one PRP test
Has been fully factored.
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-
Cofactor is a certified prime

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual26731,984.841385.0746%----31,984.841385.0746%
Target2440.002577.2727%500500000.00000.5910%0.002577.4071%
Difference+23+31,984.8388+7.8019%-500-500000.0000-0.5910%+31,984.8387+7.6676%

Known prime factors (5 factors, 929.0 bits, 100.00000000% known):
Remaining cofactor is a certified-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
92913007513.6677
7
-171.176e-122.539e-113.894e-11
9293403885950971238.308183201612
22 × 3 × 11 × 41 × 33851
-41338514.054e-53.603e-86.591e-8
92991238872988674526302835772493936673134135083102897
7
51169.286491059596279195512932377677577700070689639844472
23 × 32 × 47 × 107 × 82889 × 171888491 × 95186722045456416581573745881
-171888491951867220454564165815737458811.788e+149.922e+161.853e+17
92912135451813842978184796682465379579209792093219255
02086596377
61199.59565314595338229161382113468597306669589839037778552
3189772

22 × 67 × 239 × 1043683 × 9770323327394186126954357557048566436603732517
2013-03-02104368397703233273941861269543575570485664366037325171.722e+141.018e+341.902e+34
929
click to show decimal representation
153508.1442013-03-02

11 Composite Factors:
P-1 results:
No P-1 results for M929


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-08-01ANONYMOUSv4_computers??51.975160.2034.39837e-80.730
2010-10-02ANONYMOUSv4_computers??51.975160.2034.39837e-80.730
2011-02-05ANONYMOUSv4_computers??51.975160.2034.39837e-80.730
2011-04-14Thomas Nv4_computers??51.975160.2034.39837e-80.730


ECM factoring results:
Total ECM effort:32.211 GHz-days
Estimated T-Level:43.086
DigitsB1CompleteFacMiss
2011000225.1670.000%
255000090.0330.000%
3025000032.1480.000%
35100000010.0010.005%
4030000002.6327.196%
45110000000.61753.940%
50440000000.13087.785%
551100000000.02597.531%
602600000000.00499.560%


ECM Summary

B1B2factorcurvesGHz-days
10.00000e+0
5000005000000000.00000e+0
100000010000000010.000
2500000002500000000000.00000e+0
2600000002600000000045032.21


Lucas-Lehmer results:
No L-L results for M929


PRP results:
No PRP results for M929


P-1 factor-bounds graph:
100
101
102
103
104
105
106
107
108
109
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103
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109
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1038
1039
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1041
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TF factor-bounds graph:
2
this exponent TF target: 44
TF double-checked to: 67.9
ECM T-Level=43.09 ~= 127-bit
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Last modified: 2023-10-02T12:12:48+00:00