is 2 90073847 - 1
has 27114930 decimal digits
takes 303.666 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
Actual2670.329959.7015%----0.329959.7015%0.0000%
PrimeNet2715.307661.9718%360000180000006.45795.4732%11.765564.0532%2.0813%
GPU7227584.951564.0000%600000200000008.09994.0575%93.051465.4607%1.4607%
Difference-8-84.6216-4.2985%-600000-20000000-8.0999-4.0575%-92.7215-5.7592%-5.7592%

Known prime factors (1 factor, 57.0 bits, 0.00006329% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
900738471449155986035896471857.008804426609
3 × 7 × 38306029
2008-07-237383060290.000310.20219.055

P-1 results:
No P-1 results for M90073847


Trial Factoring results:
No TF results for M90073847


ECM factoring results:
No ECM results for M90073847


Lucas-Lehmer results:
No L-L results for M90073847


PRP results:
No PRP results for M90073847


P-1 factor-bounds graph:
100
101
100
101
102
103
104
105
106
107
108
TF factor-bounds graph:
267
250
260
270
280
290
2100
Last modified: 2008-07-23T04:59:08+00:00