Use the form below to do your conversion.
Solution
Step1
Log257915=Log(7915) ÷ Log(25)
Log(7915)= 3.8984509191984
Log(25)=1.397940008672
Log257915=3.8984509191984 ÷ 1.397940008672
Ans=2.7887111714484
Step2
Alternatively, the logarithm can be calculated like this.