Least Common Multiple (LCM) of 74 and 165
The least common multiple (LCM) of 74 and 165 is 12210.
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 165?
First, calculate the GCD of 74 and 165 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 74 ÷ 165 = 0 remainder 74 |
| 2 | 165 ÷ 74 = 2 remainder 17 |
| 3 | 74 ÷ 17 = 4 remainder 6 |
| 4 | 17 ÷ 6 = 2 remainder 5 |
| 5 | 6 ÷ 5 = 1 remainder 1 |
| 6 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 131 and 140 | 18340 |
| 115 and 50 | 1150 |
| 167 and 87 | 14529 |
| 137 and 20 | 2740 |
| 66 and 79 | 5214 |