Least Common Multiple (LCM) of 117 and 120
The least common multiple (LCM) of 117 and 120 is 4680.
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 117 and 120?
First, calculate the GCD of 117 and 120 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 117 ÷ 120 = 0 remainder 117 |
| 2 | 120 ÷ 117 = 1 remainder 3 |
| 3 | 117 ÷ 3 = 39 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 115 and 55 | 1265 |
| 119 and 135 | 16065 |
| 117 and 101 | 11817 |
| 129 and 170 | 21930 |
| 54 and 57 | 1026 |