Least Common Multiple (LCM) of 31 and 158
The least common multiple (LCM) of 31 and 158 is 4898.
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 31 and 158?
First, calculate the GCD of 31 and 158 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 31 ÷ 158 = 0 remainder 31 |
| 2 | 158 ÷ 31 = 5 remainder 3 |
| 3 | 31 ÷ 3 = 10 remainder 1 |
| 4 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 165 and 178 | 29370 |
| 116 and 46 | 2668 |
| 194 and 82 | 7954 |
| 46 and 35 | 1610 |
| 131 and 155 | 20305 |