Least Common Multiple (LCM) of 63 and 187
The least common multiple (LCM) of 63 and 187 is 11781.
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 187?
First, calculate the GCD of 63 and 187 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 63 ÷ 187 = 0 remainder 63 |
| 2 | 187 ÷ 63 = 2 remainder 61 |
| 3 | 63 ÷ 61 = 1 remainder 2 |
| 4 | 61 ÷ 2 = 30 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 173 and 147 | 25431 |
| 90 and 93 | 2790 |
| 198 and 95 | 18810 |
| 51 and 64 | 3264 |
| 37 and 65 | 2405 |