Least Common Multiple (LCM) of 53 and 28
The least common multiple (LCM) of 53 and 28 is 1484.
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 53 and 28?
First, calculate the GCD of 53 and 28 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 53 ÷ 28 = 1 remainder 25 |
| 2 | 28 ÷ 25 = 1 remainder 3 |
| 3 | 25 ÷ 3 = 8 remainder 1 |
| 4 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 18 and 87 | 522 |
| 61 and 93 | 5673 |
| 157 and 162 | 25434 |
| 158 and 108 | 8532 |
| 150 and 86 | 6450 |