Use the form below to do your conversion.
Solution
Step1
Log287457=Log(7457) ÷ Log(28)
Log(7457)= 3.8725641430907
Log(28)=1.4471580313422
Log287457=3.8725641430907 ÷ 1.4471580313422
Ans=2.675978752299
Step2
Alternatively, the logarithm can be calculated like this.