Least Common Multiple (LCM) of 31 and 33
The least common multiple (LCM) of 31 and 33 is 1023.
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 33?
First, calculate the GCD of 31 and 33 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 31 ÷ 33 = 0 remainder 31 |
| 2 | 33 ÷ 31 = 1 remainder 2 |
| 3 | 31 ÷ 2 = 15 remainder 1 |
| 4 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 115 and 97 | 11155 |
| 74 and 33 | 2442 |
| 121 and 161 | 19481 |
| 46 and 137 | 6302 |
| 199 and 102 | 20298 |