Answer:
The LCM of 63 and 91 is 819
Explanation:
1) Find the prime number of 63
63 = 3 × 3 × 7
2) Find the prime number of 91
91 = 7 × 13
3) Multiply each factor the greater number of times it occurs in steps or above to find the LCM:
LCM = 3 × 3 × 7 × 13
4) LCM = 819
