Least Common Multiple (LCM) of 53 and 80
The least common multiple (LCM) of 53 and 80 is 4240.
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 80?
First, calculate the GCD of 53 and 80 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 53 ÷ 80 = 0 remainder 53 |
| 2 | 80 ÷ 53 = 1 remainder 27 |
| 3 | 53 ÷ 27 = 1 remainder 26 |
| 4 | 27 ÷ 26 = 1 remainder 1 |
| 5 | 26 ÷ 1 = 26 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 197 and 108 | 21276 |
| 90 and 13 | 1170 |
| 13 and 136 | 1768 |
| 117 and 77 | 9009 |
| 172 and 155 | 26660 |