Least Common Multiple (LCM) of 172 and 64
The least common multiple (LCM) of 172 and 64 is 2752.
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 64?
First, calculate the GCD of 172 and 64 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 172 ÷ 64 = 2 remainder 44 |
| 2 | 64 ÷ 44 = 1 remainder 20 |
| 3 | 44 ÷ 20 = 2 remainder 4 |
| 4 | 20 ÷ 4 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 192 and 193 | 37056 |
| 117 and 75 | 2925 |
| 81 and 185 | 14985 |
| 22 and 172 | 1892 |
| 42 and 90 | 630 |