is 2 80549881 - 1
has 24247931 decimal digits
takes 251.355 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
Actual27594.995964.0000 %7050007050003.18991.6067 %98.185864.5784 %
Target27594.995964.0000 %5000008500000023.09323.7860 %118.089165.3630 %
Difference---+205000-84295000-19.9032-2.1793 %-19.9032-0.7845 %

Known prime factors (1 factor, 77.2 bits, 0.00009588% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
805498811777957583024185183904392477.2351103637622397099
29 × 53 × 179 × 419 × 881 × 10867
2017-03-2788110867552.630.00640.0081

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2017-03-27Smok_bmvbmv_big34070500070500012477.2353.1901.607%


Trial Factoring results:
57585960616263646566676869707172737475
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-12-10Architects Cubedm1_512642650.046
2011-08-10Carsten KossendeyManual testing2652660.093
2013-02-02planetclownManual testing26627211.69
2016-10-27ANONYMOUSManual testing27227583.12


ECM factoring results:
No ECM results for M80549881


Lucas-Lehmer results:
No L-L results for M80549881


PRP results:
No PRP results for M80549881


CERT results:
No CERT results for M80549881


P-1 factor-bounds graph:
B1 = 705000 (P-1 stage 1)
101
102
103
104
105
106
101
102
103
104
105
106
TF factor-bounds graph:
275
272
266
265
this exponent TF target: 75
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00