Least Common Multiple (LCM) of 158 and 155
The least common multiple (LCM) of 158 and 155 is 24490.
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 155?
First, calculate the GCD of 158 and 155 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 158 ÷ 155 = 1 remainder 3 |
| 2 | 155 ÷ 3 = 51 remainder 2 |
| 3 | 3 ÷ 2 = 1 remainder 1 |
| 4 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 23 and 175 | 4025 |
| 67 and 74 | 4958 |
| 158 and 20 | 1580 |
| 21 and 154 | 462 |
| 157 and 164 | 25748 |