Least Common Multiple (LCM) of 139 and 86
The least common multiple (LCM) of 139 and 86 is 11954.
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 86?
First, calculate the GCD of 139 and 86 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 139 ÷ 86 = 1 remainder 53 |
| 2 | 86 ÷ 53 = 1 remainder 33 |
| 3 | 53 ÷ 33 = 1 remainder 20 |
| 4 | 33 ÷ 20 = 1 remainder 13 |
| 5 | 20 ÷ 13 = 1 remainder 7 |
| 6 | 13 ÷ 7 = 1 remainder 6 |
| 7 | 7 ÷ 6 = 1 remainder 1 |
| 8 | 6 ÷ 1 = 6 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 79 and 198 | 15642 |
| 153 and 15 | 765 |
| 93 and 133 | 12369 |
| 176 and 160 | 1760 |
| 72 and 29 | 2088 |