Question

How to calculate the LCM (Least Common Multiple) of 3 numbers in Python

Answer 1

a = 12
b = 20
c = 40
  
lmc = (a > b and a or b)
lmc = (lmc > c and lmc or c)
 
while 1:
    if (lmc % a) == 0 and (lmc % b) == 0 and (lmc % c) == 0:
        print("The LCM (Least Common Multiple) is:", lmc)
        break
    lmc += 1
  
  
  
  
'''
run:
  
The LCM (Least Common Multiple) is: 120
  
'''

 

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Answer 2

def getLMC(a, b):
    lmc = (a > b and a or b)

    while 1:
        if (lmc % a) == 0 and (lmc % b) == 0:
            return lmc
        lmc += 1    
        
    
a = 12
b = 20
c = 40
  
print("The LCM (Least Common Multiple) is:", getLMC(getLMC(a, b), c))
  
  
  
  
'''
run:

The LCM (Least Common Multiple) is: 120

'''

 

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Answer 3

import math

a = 12
b = 20
c = 40
   
print("The LCM (Least Common Multiple) is:", math.lcm(a, b, c))

   
   
   
'''
run:
   
The LCM (Least Common Multiple) is: 120
   
'''

 

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