Least Common Multiple (LCM) of 115 and 22
The least common multiple (LCM) of 115 and 22 is 2530.
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 115 and 22?
First, calculate the GCD of 115 and 22 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 115 ÷ 22 = 5 remainder 5 |
| 2 | 22 ÷ 5 = 4 remainder 2 |
| 3 | 5 ÷ 2 = 2 remainder 1 |
| 4 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 169 and 163 | 27547 |
| 64 and 152 | 1216 |
| 17 and 74 | 1258 |
| 72 and 45 | 360 |
| 130 and 93 | 12090 |