What is the LCM of 4000 and 840?
The LCM of 4000 and 840 is 84000.
Steps to find LCM
- Find the prime factorization of 4000
4000 = 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 - Find the prime factorization of 840
840 = 2 × 2 × 2 × 3 × 5 × 7 - 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 × 3 × 5 × 5 × 5 × 7 - LCM = 84000
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