Use the form below to do your conversion.
Solution
Step1
Log1512991=Log(12991) ÷ Log(15)
Log(12991)= 4.1136425827717
Log(15)=1.1760912590557
Log1512991=4.1136425827717 ÷ 1.1760912590557
Ans=3.4977239658041
Step2
Alternatively, the logarithm can be calculated like this.