Least Common Multiple (LCM) of 49 and 23
The least common multiple (LCM) of 49 and 23 is 1127.
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 49 and 23?
First, calculate the GCD of 49 and 23 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 49 ÷ 23 = 2 remainder 3 |
| 2 | 23 ÷ 3 = 7 remainder 2 |
| 3 | 3 ÷ 2 = 1 remainder 1 |
| 4 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 172 and 32 | 1376 |
| 69 and 61 | 4209 |
| 175 and 133 | 3325 |
| 26 and 163 | 4238 |
| 69 and 93 | 2139 |