Least Common Multiple (LCM) of 143 and 17
The least common multiple (LCM) of 143 and 17 is 2431.
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 143 and 17?
First, calculate the GCD of 143 and 17 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 143 ÷ 17 = 8 remainder 7 |
| 2 | 17 ÷ 7 = 2 remainder 3 |
| 3 | 7 ÷ 3 = 2 remainder 1 |
| 4 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 46 and 85 | 3910 |
| 73 and 109 | 7957 |
| 184 and 34 | 3128 |
| 49 and 137 | 6713 |
| 76 and 42 | 1596 |