Least Common Multiple (LCM) of 63 and 178
The least common multiple (LCM) of 63 and 178 is 11214.
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 178?
First, calculate the GCD of 63 and 178 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 63 ÷ 178 = 0 remainder 63 |
| 2 | 178 ÷ 63 = 2 remainder 52 |
| 3 | 63 ÷ 52 = 1 remainder 11 |
| 4 | 52 ÷ 11 = 4 remainder 8 |
| 5 | 11 ÷ 8 = 1 remainder 3 |
| 6 | 8 ÷ 3 = 2 remainder 2 |
| 7 | 3 ÷ 2 = 1 remainder 1 |
| 8 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 155 and 122 | 18910 |
| 200 and 45 | 1800 |
| 93 and 173 | 16089 |
| 98 and 91 | 1274 |
| 91 and 137 | 12467 |