Least Common Multiple (LCM) of 122 and 53
The least common multiple (LCM) of 122 and 53 is 6466.
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 53?
First, calculate the GCD of 122 and 53 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 122 ÷ 53 = 2 remainder 16 |
| 2 | 53 ÷ 16 = 3 remainder 5 |
| 3 | 16 ÷ 5 = 3 remainder 1 |
| 4 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 142 and 48 | 3408 |
| 21 and 42 | 42 |
| 144 and 112 | 1008 |
| 117 and 24 | 936 |
| 178 and 21 | 3738 |