Answers

The LCM of 20 and 225 is 900.

Steps to find LCM

1. Find the prime factorization of 20
   20 = 2 × 2 × 5
2. Find the prime factorization of 225
   225 = 3 × 3 × 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 × 3 × 3 × 5 × 5
4. LCM = 900

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Find least common multiple (LCM) of: 40 & 450 60 & 675 100 & 1125 4 & 45 140 & 1575 40 & 225 20 & 450 60 & 225 20 & 675 100 & 225 20 & 1125 140 & 225 20 & 1575

LCM Calculator

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