Least Common Multiple (LCM) of 31 and 62
The least common multiple (LCM) of 31 and 62 is 62.
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 62?
First, calculate the GCD of 31 and 62 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 31 ÷ 62 = 0 remainder 31 |
| 2 | 62 ÷ 31 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 43 and 192 | 8256 |
| 108 and 120 | 1080 |
| 178 and 90 | 8010 |
| 140 and 17 | 2380 |
| 186 and 110 | 10230 |