Least Common Multiple (LCM) of 158 and 123
The least common multiple (LCM) of 158 and 123 is 19434.
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 123?
First, calculate the GCD of 158 and 123 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 158 ÷ 123 = 1 remainder 35 |
| 2 | 123 ÷ 35 = 3 remainder 18 |
| 3 | 35 ÷ 18 = 1 remainder 17 |
| 4 | 18 ÷ 17 = 1 remainder 1 |
| 5 | 17 ÷ 1 = 17 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 32 and 125 | 4000 |
| 162 and 72 | 648 |
| 10 and 12 | 60 |
| 22 and 22 | 22 |
| 139 and 159 | 22101 |