Least Common Multiple (LCM) of 158 and 83
The least common multiple (LCM) of 158 and 83 is 13114.
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 158 and 83?
First, calculate the GCD of 158 and 83 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 158 ÷ 83 = 1 remainder 75 |
| 2 | 83 ÷ 75 = 1 remainder 8 |
| 3 | 75 ÷ 8 = 9 remainder 3 |
| 4 | 8 ÷ 3 = 2 remainder 2 |
| 5 | 3 ÷ 2 = 1 remainder 1 |
| 6 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 172 and 118 | 10148 |
| 197 and 64 | 12608 |
| 81 and 81 | 81 |
| 199 and 79 | 15721 |
| 30 and 39 | 390 |