Least Common Multiple (LCM) of 53 and 38
The least common multiple (LCM) of 53 and 38 is 2014.
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 38?
First, calculate the GCD of 53 and 38 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 53 ÷ 38 = 1 remainder 15 |
| 2 | 38 ÷ 15 = 2 remainder 8 |
| 3 | 15 ÷ 8 = 1 remainder 7 |
| 4 | 8 ÷ 7 = 1 remainder 1 |
| 5 | 7 ÷ 1 = 7 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 139 and 92 | 12788 |
| 157 and 21 | 3297 |
| 132 and 35 | 4620 |
| 139 and 79 | 10981 |
| 95 and 11 | 1045 |