is 2 171575171 - 1
has 51649273 decimal digits
takes 1,167.664 GHz-days to do one PRP test
Last-known PrimeNet details:
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2670.173258.2090%----0.173258.2090%-3.9532%
PrimeNet27422.298562.1622%7000004000000028.03685.5394%50.335367.7015%5.5394%
GPU72278356.791264.1026%11000004000000031.76904.0552%388.560268.1578%4.0552%
Difference-11-356.6180-5.8936%-1100000-40000000-31.7690-4.0552%-388.3870-9.9488%-9.9488%

Known prime factors (1 factor, 28.4 bits, 0.00001653% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
171575171343150343928.3541
1
112007-11-182.085e-139.868e-62.008e-5

P-1 results:
Exponent "171575171" not found


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2021-01-25T13:25:20KrieselManual testing268269--0.348--
2021-01-25T13:25:20KrieselManual testing269270--0.697--
2021-01-25T13:25:20KrieselManual testing270271--1.394--
2021-01-25T13:25:20KrieselManual testing271272--2.787--
2021-01-25T13:25:20KrieselManual testing272273--5.575--
2021-01-25T13:25:21KrieselManual testing273274--11.15--
2021-01-25T13:25:21KrieselManual testing274275--22.30--
2021-01-25T13:25:21KrieselManual testing275276--44.60--
2021-01-25T13:25:21KrieselManual testing276277--89.20--


ECM factoring results:
Exponent "171575171" not found


Lucas-Lehmer results:
Exponent "171575171" not found


PRP results:
Exponent "171575171" not found


P-1 factor-bounds graph:
100
101
100
101
TF factor-bounds graph:
277
276
275
274
273
272
271
270
269
267
220
230
240
250
260
270
280
290
2100
Last modified: 2021-01-25T13:25:21+00:00