Answers

The LCM of 9450 and 6400 is 1209600.

Steps to find LCM

1. Find the prime factorization of 9450
   9450 = 2 × 3 × 3 × 3 × 5 × 5 × 7
2. Find the prime factorization of 6400
   6400 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 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 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 5 × 7
4. LCM = 1209600

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Find least common multiple (LCM) of: 4725 & 3200 1890 & 1280

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