Least Common Multiple (LCM) of 53 and 47
The least common multiple (LCM) of 53 and 47 is 2491.
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 47?
First, calculate the GCD of 53 and 47 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 53 ÷ 47 = 1 remainder 6 |
| 2 | 47 ÷ 6 = 7 remainder 5 |
| 3 | 6 ÷ 5 = 1 remainder 1 |
| 4 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 113 and 47 | 5311 |
| 20 and 139 | 2780 |
| 136 and 187 | 1496 |
| 105 and 62 | 6510 |
| 175 and 109 | 19075 |