Least Common Multiple (LCM) of 159 and 31
The least common multiple (LCM) of 159 and 31 is 4929.
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 31?
First, calculate the GCD of 159 and 31 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 159 ÷ 31 = 5 remainder 4 |
| 2 | 31 ÷ 4 = 7 remainder 3 |
| 3 | 4 ÷ 3 = 1 remainder 1 |
| 4 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 130 and 67 | 8710 |
| 107 and 98 | 10486 |
| 110 and 125 | 2750 |
| 17 and 144 | 2448 |
| 103 and 46 | 4738 |