Least Common Multiple (LCM) of 122 and 57
The least common multiple (LCM) of 122 and 57 is 6954.
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 57?
First, calculate the GCD of 122 and 57 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 122 ÷ 57 = 2 remainder 8 |
| 2 | 57 ÷ 8 = 7 remainder 1 |
| 3 | 8 ÷ 1 = 8 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 193 and 40 | 7720 |
| 29 and 98 | 2842 |
| 138 and 142 | 9798 |
| 167 and 45 | 7515 |
| 149 and 130 | 19370 |