Answers

The lcm of 20 and 50 is 100.

Steps to find LCM

1. Find the prime factorization of 20
   20 = 2 × 2 × 5
2. Find the prime factorization of 50
   50 = 2 × 5 × 5
3. Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
   
   LCM = 2 × 2 × 5 × 5
4. LCM = 100

Find least common multiple (lcm) of: 40 & 100 10 & 25 60 & 150 100 & 250 4 & 10 140 & 350 40 & 50 20 & 100 60 & 50 20 & 150 100 & 50 20 & 250 140 & 50 20 & 350

LCM Calculator

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