Least Common Multiple (LCM) of 159 and 57
The least common multiple (LCM) of 159 and 57 is 3021.
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 159 and 57?
First, calculate the GCD of 159 and 57 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 159 ÷ 57 = 2 remainder 45 |
| 2 | 57 ÷ 45 = 1 remainder 12 |
| 3 | 45 ÷ 12 = 3 remainder 9 |
| 4 | 12 ÷ 9 = 1 remainder 3 |
| 5 | 9 ÷ 3 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 117 and 128 | 14976 |
| 127 and 105 | 13335 |
| 145 and 39 | 5655 |
| 62 and 139 | 8618 |
| 152 and 36 | 1368 |