Least Common Multiple (LCM) of 136 and 189
The least common multiple (LCM) of 136 and 189 is 25704.
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 136 and 189?
First, calculate the GCD of 136 and 189 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 136 ÷ 189 = 0 remainder 136 |
| 2 | 189 ÷ 136 = 1 remainder 53 |
| 3 | 136 ÷ 53 = 2 remainder 30 |
| 4 | 53 ÷ 30 = 1 remainder 23 |
| 5 | 30 ÷ 23 = 1 remainder 7 |
| 6 | 23 ÷ 7 = 3 remainder 2 |
| 7 | 7 ÷ 2 = 3 remainder 1 |
| 8 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 127 and 140 | 17780 |
| 174 and 129 | 7482 |
| 139 and 165 | 22935 |
| 67 and 138 | 9246 |
| 42 and 140 | 420 |