Least Common Multiple (LCM) of 18 and 74
The least common multiple (LCM) of 18 and 74 is 666.
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 18 and 74?
First, calculate the GCD of 18 and 74 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 18 ÷ 74 = 0 remainder 18 |
| 2 | 74 ÷ 18 = 4 remainder 2 |
| 3 | 18 ÷ 2 = 9 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 104 and 142 | 7384 |
| 63 and 48 | 1008 |
| 183 and 143 | 26169 |
| 69 and 98 | 6762 |
| 111 and 148 | 444 |