Use the form below to do your conversion.
Solution
Step1
Log25661=Log(661) ÷ Log(25)
Log(661)= 2.8202014594856
Log(25)=1.397940008672
Log25661=2.8202014594856 ÷ 1.397940008672
Ans=2.0173980585652
Step2
Alternatively, the logarithm can be calculated like this.