Answer:
LCM = 420
Step-by-step explanation:
What is the LCM of 210 and 420?
Step 1:
Find the prime factorization of 210
210 = 2 × 3 × 5 × 7
Step 2:
Find the prime factorization of 420
420 = 2 × 2 × 3 × 5 × 7
Step 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 × 5 × 7
Step 4:
The required LCM
LCM = 420
Therefore, we conclude that:
LCM = 420
