Least Common Multiple (LCM) of 151 and 86
The least common multiple (LCM) of 151 and 86 is 12986.
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 151 and 86?
First, calculate the GCD of 151 and 86 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 151 ÷ 86 = 1 remainder 65 |
| 2 | 86 ÷ 65 = 1 remainder 21 |
| 3 | 65 ÷ 21 = 3 remainder 2 |
| 4 | 21 ÷ 2 = 10 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 81 and 45 | 405 |
| 186 and 104 | 9672 |
| 153 and 116 | 17748 |
| 74 and 54 | 1998 |
| 48 and 85 | 4080 |