Least Common Multiple (LCM) of 142 and 49
The least common multiple (LCM) of 142 and 49 is 6958.
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 49?
First, calculate the GCD of 142 and 49 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 142 ÷ 49 = 2 remainder 44 |
| 2 | 49 ÷ 44 = 1 remainder 5 |
| 3 | 44 ÷ 5 = 8 remainder 4 |
| 4 | 5 ÷ 4 = 1 remainder 1 |
| 5 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 94 and 65 | 6110 |
| 135 and 199 | 26865 |
| 142 and 143 | 20306 |
| 129 and 11 | 1419 |
| 43 and 59 | 2537 |