Answer:
The LCM of 52 and 72 is 936.
Explanation:
1. Find the prime factorization of 52
52 = 2 × 2 × 13
2. Find the prime factorization of 72
72 = 2 × 2 × 2 × 3 × 3
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 × 3 × 3 × 13
LCM = 936.