Least Common Multiple (LCM) of 131 and 68
The least common multiple (LCM) of 131 and 68 is 8908.
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 131 and 68?
First, calculate the GCD of 131 and 68 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 131 ÷ 68 = 1 remainder 63 |
| 2 | 68 ÷ 63 = 1 remainder 5 |
| 3 | 63 ÷ 5 = 12 remainder 3 |
| 4 | 5 ÷ 3 = 1 remainder 2 |
| 5 | 3 ÷ 2 = 1 remainder 1 |
| 6 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 184 and 120 | 2760 |
| 193 and 14 | 2702 |
| 58 and 146 | 4234 |
| 13 and 169 | 169 |
| 107 and 42 | 4494 |