is 2 48968401 - 1
has 14740958 decimal digits
takes 85.015 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
Actual2692.438062.3188 %----2.438062.3188 %
Target27339.062864.3836 %320000500000007.61933.6729 %46.682165.6917 %
Difference-4-36.6248-2.0647 %-320000-50000000-7.6193-3.6729 %-44.2441-3.3729 %

Known prime factors (1 factor, 75.2 bits, 0.00015363% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
48968401443835663088312523694972375.232453185783101548
22 × 32 × 72 × 168109 × 1528223
2010-04-231681091528223232.970.60970.8613

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2010-04-23DallasDuo32375.2323.4680.000%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2000-09-29Jossv4_computers212544.90000e-5
2003-06-06Thomas Mullenv4_computers212590.001
2008-01-151997rj7v4_computers212630.020
2008-07-04TDH-DXLv4_computers212691.221


ECM factoring results:
No ECM results for M48968401


Lucas-Lehmer results:
No L-L results for M48968401


PRP results:
No PRP results for M48968401


CERT results:
No CERT results for M48968401


P-1 factor-bounds graph:
104
105
106
104
105
106
107
TF factor-bounds graph:
269
263
259
254
this exponent TF target: 73
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00