Least Common Multiple (LCM) of 172 and 54
The least common multiple (LCM) of 172 and 54 is 4644.
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 172 and 54?
First, calculate the GCD of 172 and 54 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 172 ÷ 54 = 3 remainder 10 |
| 2 | 54 ÷ 10 = 5 remainder 4 |
| 3 | 10 ÷ 4 = 2 remainder 2 |
| 4 | 4 ÷ 2 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 150 and 167 | 25050 |
| 89 and 187 | 16643 |
| 116 and 127 | 14732 |
| 42 and 27 | 378 |
| 174 and 81 | 4698 |