Least Common Multiple (LCM) of 147 and 86
The least common multiple (LCM) of 147 and 86 is 12642.
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 147 and 86?
First, calculate the GCD of 147 and 86 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 147 ÷ 86 = 1 remainder 61 |
| 2 | 86 ÷ 61 = 1 remainder 25 |
| 3 | 61 ÷ 25 = 2 remainder 11 |
| 4 | 25 ÷ 11 = 2 remainder 3 |
| 5 | 11 ÷ 3 = 3 remainder 2 |
| 6 | 3 ÷ 2 = 1 remainder 1 |
| 7 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 74 and 64 | 2368 |
| 74 and 152 | 5624 |
| 31 and 36 | 1116 |
| 140 and 98 | 980 |
| 77 and 67 | 5159 |