Least Common Multiple (LCM) of 142 and 149
The least common multiple (LCM) of 142 and 149 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 142 and 149?
First, calculate the GCD of 142 and 149 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 142 ÷ 149 = 0 remainder 142 |
| 2 | 149 ÷ 142 = 1 remainder 7 |
| 3 | 142 ÷ 7 = 20 remainder 2 |
| 4 | 7 ÷ 2 = 3 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 118 and 29 | 3422 |
| 11 and 86 | 946 |
| 176 and 142 | 12496 |
| 97 and 192 | 18624 |
| 128 and 138 | 8832 |