Least Common Multiple (LCM) of 63 and 149
The least common multiple (LCM) of 63 and 149 is 9387.
What is the Least Common Multiple (LCM)?
The LCM of two integers is the smallest positive integer that is divisible by both numbers. It is often used to find common denominators and solve problems involving periodic events.
Formula for LCM
The LCM of two numbers can be calculated using their GCD:
LCM(a, b) = |a × b| ÷ GCD(a, b)
How to Calculate the LCM of 63 and 149?
First, calculate the GCD of 63 and 149 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 63 ÷ 149 = 0 remainder 63 |
| 2 | 149 ÷ 63 = 2 remainder 23 |
| 3 | 63 ÷ 23 = 2 remainder 17 |
| 4 | 23 ÷ 17 = 1 remainder 6 |
| 5 | 17 ÷ 6 = 2 remainder 5 |
| 6 | 6 ÷ 5 = 1 remainder 1 |
| 7 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 21 and 85 | 1785 |
| 160 and 173 | 27680 |
| 174 and 181 | 31494 |
| 125 and 67 | 8375 |
| 12 and 40 | 120 |