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Check if a number is a power of another number in Python

Check whether a number is a power of another number or not in Python

In this example, we will see a Python program through which we can check if a number is power of another or not.

In this program, we will use the log() function from the math module to solve the problem.

Algorithm:
  • STEP 1: Initially, we will import the math module in the program.
  • STEP 2: Takes the positive value of a and b from the user.
  • STEP 3: Find the log of a base b and assign its integer part to variable s.
  • STEP 4: Also, find the b to the power s and assign it to another variable p.
  • STEP 5: Check if p is equal to a then a is a power of another number b and print a is the power of another number b.
Program:

# importing the module
import math
# input the numbers
a,b=map(int,input('Enter two values: ').split())
s=math.log(a,b)
p=round(s)
if (b**p)==a:
print('{} is the power of another number {}.'.format(a,b))
else:
print('{} is not the power of another number {}.'.format(a,b))

Output:
Enter two values: 8 2
8 is the power of another number 2.

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