Least Common Multiple (LCM) of 153 and 117
The least common multiple (LCM) of 153 and 117 is 1989.
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 153 and 117?
First, calculate the GCD of 153 and 117 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 153 ÷ 117 = 1 remainder 36 |
| 2 | 117 ÷ 36 = 3 remainder 9 |
| 3 | 36 ÷ 9 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 187 and 155 | 28985 |
| 131 and 77 | 10087 |
| 165 and 187 | 2805 |
| 128 and 120 | 1920 |
| 132 and 187 | 2244 |