Least Common Multiple (LCM) of 86 and 154
The least common multiple (LCM) of 86 and 154 is 6622.
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 154?
First, calculate the GCD of 86 and 154 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 86 ÷ 154 = 0 remainder 86 |
| 2 | 154 ÷ 86 = 1 remainder 68 |
| 3 | 86 ÷ 68 = 1 remainder 18 |
| 4 | 68 ÷ 18 = 3 remainder 14 |
| 5 | 18 ÷ 14 = 1 remainder 4 |
| 6 | 14 ÷ 4 = 3 remainder 2 |
| 7 | 4 ÷ 2 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 141 and 62 | 8742 |
| 39 and 63 | 819 |
| 120 and 105 | 840 |
| 126 and 18 | 126 |
| 63 and 188 | 11844 |