Least Common Multiple (LCM) of 31 and 192
The least common multiple (LCM) of 31 and 192 is 5952.
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 192?
First, calculate the GCD of 31 and 192 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 31 ÷ 192 = 0 remainder 31 |
| 2 | 192 ÷ 31 = 6 remainder 6 |
| 3 | 31 ÷ 6 = 5 remainder 1 |
| 4 | 6 ÷ 1 = 6 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 138 and 101 | 13938 |
| 108 and 140 | 3780 |
| 164 and 16 | 656 |
| 62 and 115 | 7130 |
| 148 and 38 | 2812 |