Least Common Multiple (LCM) of 12 and 143
The least common multiple (LCM) of 12 and 143 is 1716.
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 12 and 143?
First, calculate the GCD of 12 and 143 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 12 ÷ 143 = 0 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 |
|---|---|
| 132 and 116 | 3828 |
| 187 and 32 | 5984 |
| 193 and 187 | 36091 |
| 179 and 137 | 24523 |
| 74 and 132 | 4884 |