Least Common Multiple (LCM) of 149 and 87
The least common multiple (LCM) of 149 and 87 is 12963.
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 149 and 87?
First, calculate the GCD of 149 and 87 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 149 ÷ 87 = 1 remainder 62 |
| 2 | 87 ÷ 62 = 1 remainder 25 |
| 3 | 62 ÷ 25 = 2 remainder 12 |
| 4 | 25 ÷ 12 = 2 remainder 1 |
| 5 | 12 ÷ 1 = 12 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 127 and 85 | 10795 |
| 20 and 39 | 780 |
| 156 and 154 | 12012 |
| 40 and 180 | 360 |
| 133 and 63 | 1197 |