Least Common Multiple (LCM) of 196 and 142
The least common multiple (LCM) of 196 and 142 is 13916.
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 196 and 142?
First, calculate the GCD of 196 and 142 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 196 ÷ 142 = 1 remainder 54 |
| 2 | 142 ÷ 54 = 2 remainder 34 |
| 3 | 54 ÷ 34 = 1 remainder 20 |
| 4 | 34 ÷ 20 = 1 remainder 14 |
| 5 | 20 ÷ 14 = 1 remainder 6 |
| 6 | 14 ÷ 6 = 2 remainder 2 |
| 7 | 6 ÷ 2 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 143 and 99 | 1287 |
| 187 and 196 | 36652 |
| 60 and 139 | 8340 |
| 190 and 124 | 11780 |
| 121 and 39 | 4719 |