Use the form below to do your conversion.
Solution
Step1
Log28857=Log(857) ÷ Log(28)
Log(857)= 2.9329808219232
Log(28)=1.4471580313422
Log28857=2.9329808219232 ÷ 1.4471580313422
Ans=2.0267177173476
Step2
Alternatively, the logarithm can be calculated like this.