Least Common Multiple (LCM) of 13 and 142
The least common multiple (LCM) of 13 and 142 is 1846.
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 13 and 142?
First, calculate the GCD of 13 and 142 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 13 ÷ 142 = 0 remainder 13 |
| 2 | 142 ÷ 13 = 10 remainder 12 |
| 3 | 13 ÷ 12 = 1 remainder 1 |
| 4 | 12 ÷ 1 = 12 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 139 and 105 | 14595 |
| 28 and 166 | 2324 |
| 159 and 58 | 9222 |
| 72 and 71 | 5112 |
| 89 and 36 | 3204 |