Least Common Multiple (LCM) of 53 and 153
The least common multiple (LCM) of 53 and 153 is 8109.
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 153?
First, calculate the GCD of 53 and 153 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 53 ÷ 153 = 0 remainder 53 |
| 2 | 153 ÷ 53 = 2 remainder 47 |
| 3 | 53 ÷ 47 = 1 remainder 6 |
| 4 | 47 ÷ 6 = 7 remainder 5 |
| 5 | 6 ÷ 5 = 1 remainder 1 |
| 6 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 10 and 173 | 1730 |
| 188 and 179 | 33652 |
| 43 and 171 | 7353 |
| 197 and 81 | 15957 |
| 160 and 150 | 2400 |