Least Common Multiple (LCM) of 174 and 81
The least common multiple (LCM) of 174 and 81 is 4698.
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 174 and 81?
First, calculate the GCD of 174 and 81 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 174 ÷ 81 = 2 remainder 12 |
| 2 | 81 ÷ 12 = 6 remainder 9 |
| 3 | 12 ÷ 9 = 1 remainder 3 |
| 4 | 9 ÷ 3 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 137 and 135 | 18495 |
| 51 and 172 | 8772 |
| 152 and 133 | 1064 |
| 114 and 189 | 7182 |
| 133 and 19 | 133 |