Use the form below to do your conversion.
Solution
Step1
Log78407=Log(8407) ÷ Log(7)
Log(8407)= 3.9246410474172
Log(7)=0.84509804001426
Log78407=3.9246410474172 ÷ 0.84509804001426
Ans=4.6440068034603
Step2
Alternatively, the logarithm can be calculated like this.