Use the form below to do your conversion.
Solution
Step1
Log78615=Log(8615) ÷ Log(7)
Log(8615)= 3.935255281784
Log(7)=0.84509804001426
Log78615=3.935255281784 ÷ 0.84509804001426
Ans=4.6565665703327
Step2
Alternatively, the logarithm can be calculated like this.