Least Common Multiple (LCM) of 53 and 105
The least common multiple (LCM) of 53 and 105 is 5565.
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 105?
First, calculate the GCD of 53 and 105 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 53 ÷ 105 = 0 remainder 53 |
| 2 | 105 ÷ 53 = 1 remainder 52 |
| 3 | 53 ÷ 52 = 1 remainder 1 |
| 4 | 52 ÷ 1 = 52 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 139 and 14 | 1946 |
| 129 and 41 | 5289 |
| 93 and 87 | 2697 |
| 46 and 108 | 2484 |
| 147 and 43 | 6321 |