Least Common Multiple (LCM) of 74 and 15
The least common multiple (LCM) of 74 and 15 is 1110.
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 74 and 15?
First, calculate the GCD of 74 and 15 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 74 ÷ 15 = 4 remainder 14 |
| 2 | 15 ÷ 14 = 1 remainder 1 |
| 3 | 14 ÷ 1 = 14 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 120 and 108 | 1080 |
| 102 and 88 | 4488 |
| 86 and 42 | 1806 |
| 105 and 181 | 19005 |
| 101 and 129 | 13029 |