Least Common Multiple (LCM) of 122 and 63
The least common multiple (LCM) of 122 and 63 is 7686.
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 122 and 63?
First, calculate the GCD of 122 and 63 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 122 ÷ 63 = 1 remainder 59 |
| 2 | 63 ÷ 59 = 1 remainder 4 |
| 3 | 59 ÷ 4 = 14 remainder 3 |
| 4 | 4 ÷ 3 = 1 remainder 1 |
| 5 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 141 and 154 | 21714 |
| 166 and 90 | 7470 |
| 161 and 158 | 25438 |
| 69 and 107 | 7383 |
| 148 and 109 | 16132 |