Least Common Multiple (LCM) of 131 and 139
The least common multiple (LCM) of 131 and 139 is 18209.
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 139?
First, calculate the GCD of 131 and 139 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 131 ÷ 139 = 0 remainder 131 |
| 2 | 139 ÷ 131 = 1 remainder 8 |
| 3 | 131 ÷ 8 = 16 remainder 3 |
| 4 | 8 ÷ 3 = 2 remainder 2 |
| 5 | 3 ÷ 2 = 1 remainder 1 |
| 6 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 163 and 139 | 22657 |
| 118 and 17 | 2006 |
| 115 and 190 | 4370 |
| 20 and 58 | 580 |
| 154 and 73 | 11242 |