Least Common Multiple (LCM) of 118 and 155
The least common multiple (LCM) of 118 and 155 is 18290.
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 118 and 155?
First, calculate the GCD of 118 and 155 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 118 ÷ 155 = 0 remainder 118 |
| 2 | 155 ÷ 118 = 1 remainder 37 |
| 3 | 118 ÷ 37 = 3 remainder 7 |
| 4 | 37 ÷ 7 = 5 remainder 2 |
| 5 | 7 ÷ 2 = 3 remainder 1 |
| 6 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 63 and 157 | 9891 |
| 73 and 12 | 876 |
| 22 and 42 | 462 |
| 152 and 14 | 1064 |
| 91 and 164 | 14924 |