is 2 29928149 - 1
has 9009271 decimal digits
takes 31.175 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
Actual2681.991663.2353%----1.991663.2353%0.0000%
PrimeNet2670.992862.6866%13000050000000.59714.9064%1.590064.5173%1.8308%
GPU7227115.974264.7887%20000060000000.77943.5587%16.753666.0418%1.2531%
Difference-3-13.9826-1.5534%-200000-6000000-0.7794-3.5587%-14.7620-2.8065%-2.8065%

Known prime factors (2 factors, 120.9 bits, 0.00040401% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
29928149124356448117438311753.465207758335
5 × 41551667
-5415516675.359e-53.41946.3864
299281492010606840121808077512167.4463359056452375
3 × 53 × 13 × 689037221
2022-08-051256890372211.177756.702105.90

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
29928149250031925198174209235197619247123408137120.912
P-1 results:
No P-1 results for M29928149


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-05-10T00:00:00Alex Kruppav4_computers21253--4.00935e-5--
2022-08-10T19:29:23LordJuliusManual testing2126553.465175.35881e-564.460.000
2022-08-10T19:29:23LordJuliusManual testing265266--0.250--
2022-08-10T19:29:23LordJuliusManual testing266267--0.499--
2022-08-05T09:36:09TJAOIManual testing267268*67.446210.18563.460.376
2022-08-10T19:29:23LordJuliusManual testing26726867.446210.18563.460.376


ECM factoring results:
No ECM results for M29928149


Lucas-Lehmer results:
No L-L results for M29928149


PRP results:
No PRP results for M29928149


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
268
267
266
265
253
250
260
270
280
290
2100
Last modified: 2022-08-10T19:29:23+00:00