Least Common Multiple (LCM) of 66 and 53
The least common multiple (LCM) of 66 and 53 is 3498.
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 66 and 53?
First, calculate the GCD of 66 and 53 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 66 ÷ 53 = 1 remainder 13 |
| 2 | 53 ÷ 13 = 4 remainder 1 |
| 3 | 13 ÷ 1 = 13 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 199 and 137 | 27263 |
| 145 and 51 | 7395 |
| 143 and 138 | 19734 |
| 196 and 13 | 2548 |
| 21 and 185 | 3885 |