Least Common Multiple (LCM) of 158 and 39
The least common multiple (LCM) of 158 and 39 is 6162.
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 39?
First, calculate the GCD of 158 and 39 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 158 ÷ 39 = 4 remainder 2 |
| 2 | 39 ÷ 2 = 19 remainder 1 |
| 3 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 170 and 68 | 340 |
| 172 and 18 | 1548 |
| 60 and 170 | 1020 |
| 153 and 138 | 7038 |
| 107 and 85 | 9095 |