Least Common Multiple (LCM) of 172 and 60
The least common multiple (LCM) of 172 and 60 is 2580.
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 60?
First, calculate the GCD of 172 and 60 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 172 ÷ 60 = 2 remainder 52 |
| 2 | 60 ÷ 52 = 1 remainder 8 |
| 3 | 52 ÷ 8 = 6 remainder 4 |
| 4 | 8 ÷ 4 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 180 and 176 | 7920 |
| 186 and 170 | 15810 |
| 144 and 28 | 1008 |
| 99 and 22 | 198 |
| 28 and 165 | 4620 |