Least Common Multiple (LCM) of 86 and 157
The least common multiple (LCM) of 86 and 157 is 13502.
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 157?
First, calculate the GCD of 86 and 157 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 86 ÷ 157 = 0 remainder 86 |
| 2 | 157 ÷ 86 = 1 remainder 71 |
| 3 | 86 ÷ 71 = 1 remainder 15 |
| 4 | 71 ÷ 15 = 4 remainder 11 |
| 5 | 15 ÷ 11 = 1 remainder 4 |
| 6 | 11 ÷ 4 = 2 remainder 3 |
| 7 | 4 ÷ 3 = 1 remainder 1 |
| 8 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 150 and 124 | 9300 |
| 146 and 138 | 10074 |
| 42 and 103 | 4326 |
| 189 and 33 | 2079 |
| 65 and 42 | 2730 |