# How do you evaluate log_7 2401?

The value of ${\log}_{7} 2401$ is $4$
To find out the value of a logarythm you have to find out "to which power do I have to raise the base ($7$) to get the number under the $\log$ sign ($2401$).
This number is $4$ because: ${7}^{4} = 2401$