Least Common Multiple (LCM) of 172 and 68
The least common multiple (LCM) of 172 and 68 is 2924.
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 68?
First, calculate the GCD of 172 and 68 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 172 ÷ 68 = 2 remainder 36 |
| 2 | 68 ÷ 36 = 1 remainder 32 |
| 3 | 36 ÷ 32 = 1 remainder 4 |
| 4 | 32 ÷ 4 = 8 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 17 and 17 | 17 |
| 130 and 18 | 1170 |
| 122 and 185 | 22570 |
| 43 and 61 | 2623 |
| 199 and 163 | 32437 |