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 |
|---|---|
| 190 and 17 | 3230 |
| 52 and 68 | 884 |
| 165 and 17 | 2805 |
| 143 and 77 | 1001 |
| 101 and 174 | 17574 |