Least Common Multiple (LCM) of 149 and 142
The least common multiple (LCM) of 149 and 142 is 21158.
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 142?
First, calculate the GCD of 149 and 142 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 149 ÷ 142 = 1 remainder 7 |
| 2 | 142 ÷ 7 = 20 remainder 2 |
| 3 | 7 ÷ 2 = 3 remainder 1 |
| 4 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 178 and 59 | 10502 |
| 38 and 44 | 836 |
| 86 and 88 | 3784 |
| 54 and 165 | 2970 |
| 21 and 195 | 1365 |