Use the form below to do your conversion.
Solution
Step1
Log256415=Log(6415) ÷ Log(25)
Log(6415)= 3.8071966607109
Log(25)=1.397940008672
Log256415=3.8071966607109 ÷ 1.397940008672
Ans=2.7234335072272
Step2
Alternatively, the logarithm can be calculated like this.