Least Common Multiple (LCM) of 155 and 143
The least common multiple (LCM) of 155 and 143 is 22165.
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 155 and 143?
First, calculate the GCD of 155 and 143 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 155 ÷ 143 = 1 remainder 12 |
| 2 | 143 ÷ 12 = 11 remainder 11 |
| 3 | 12 ÷ 11 = 1 remainder 1 |
| 4 | 11 ÷ 1 = 11 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 73 and 61 | 4453 |
| 140 and 175 | 700 |
| 44 and 54 | 1188 |
| 116 and 66 | 3828 |
| 98 and 195 | 19110 |