Least Common Multiple (LCM) of 139 and 68
The least common multiple (LCM) of 139 and 68 is 9452.
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 139 and 68?
First, calculate the GCD of 139 and 68 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 139 ÷ 68 = 2 remainder 3 |
| 2 | 68 ÷ 3 = 22 remainder 2 |
| 3 | 3 ÷ 2 = 1 remainder 1 |
| 4 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 15 and 36 | 180 |
| 158 and 33 | 5214 |
| 105 and 81 | 2835 |
| 96 and 108 | 864 |
| 93 and 138 | 4278 |