Least Common Multiple (LCM) of 149 and 129
The least common multiple (LCM) of 149 and 129 is 19221.
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 129?
First, calculate the GCD of 149 and 129 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 149 ÷ 129 = 1 remainder 20 |
| 2 | 129 ÷ 20 = 6 remainder 9 |
| 3 | 20 ÷ 9 = 2 remainder 2 |
| 4 | 9 ÷ 2 = 4 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 136 and 181 | 24616 |
| 181 and 161 | 29141 |
| 96 and 33 | 1056 |
| 138 and 155 | 21390 |
| 171 and 156 | 8892 |