Least Common Multiple (LCM) of 86 and 139
The least common multiple (LCM) of 86 and 139 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 86 and 139?
First, calculate the GCD of 86 and 139 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 86 ÷ 139 = 0 remainder 86 |
| 2 | 139 ÷ 86 = 1 remainder 53 |
| 3 | 86 ÷ 53 = 1 remainder 33 |
| 4 | 53 ÷ 33 = 1 remainder 20 |
| 5 | 33 ÷ 20 = 1 remainder 13 |
| 6 | 20 ÷ 13 = 1 remainder 7 |
| 7 | 13 ÷ 7 = 1 remainder 6 |
| 8 | 7 ÷ 6 = 1 remainder 1 |
| 9 | 6 ÷ 1 = 6 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 142 and 89 | 12638 |
| 74 and 22 | 814 |
| 106 and 42 | 2226 |
| 101 and 65 | 6565 |
| 97 and 127 | 12319 |