Least Common Multiple (LCM) of 14 and 45
The least common multiple (LCM) of 14 and 45 is 630.
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 14 and 45?
First, calculate the GCD of 14 and 45 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 14 ÷ 45 = 0 remainder 14 |
| 2 | 45 ÷ 14 = 3 remainder 3 |
| 3 | 14 ÷ 3 = 4 remainder 2 |
| 4 | 3 ÷ 2 = 1 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 71 and 139 | 9869 |
| 128 and 88 | 1408 |
| 164 and 81 | 13284 |
| 172 and 164 | 7052 |
| 104 and 68 | 1768 |