Least Common Multiple (LCM) of 63 and 137
The least common multiple (LCM) of 63 and 137 is 8631.
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 137?
First, calculate the GCD of 63 and 137 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 63 ÷ 137 = 0 remainder 63 |
| 2 | 137 ÷ 63 = 2 remainder 11 |
| 3 | 63 ÷ 11 = 5 remainder 8 |
| 4 | 11 ÷ 8 = 1 remainder 3 |
| 5 | 8 ÷ 3 = 2 remainder 2 |
| 6 | 3 ÷ 2 = 1 remainder 1 |
| 7 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 189 and 66 | 4158 |
| 80 and 107 | 8560 |
| 192 and 27 | 1728 |
| 123 and 31 | 3813 |
| 152 and 96 | 1824 |