Least Common Multiple (LCM) of 55 and 158
The least common multiple (LCM) of 55 and 158 is 8690.
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 55 and 158?
First, calculate the GCD of 55 and 158 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 55 ÷ 158 = 0 remainder 55 |
| 2 | 158 ÷ 55 = 2 remainder 48 |
| 3 | 55 ÷ 48 = 1 remainder 7 |
| 4 | 48 ÷ 7 = 6 remainder 6 |
| 5 | 7 ÷ 6 = 1 remainder 1 |
| 6 | 6 ÷ 1 = 6 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 173 and 179 | 30967 |
| 135 and 144 | 2160 |
| 156 and 31 | 4836 |
| 180 and 40 | 360 |
| 71 and 73 | 5183 |