Least Common Multiple (LCM) of 168 and 172
The least common multiple (LCM) of 168 and 172 is 7224.
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 168 and 172?
First, calculate the GCD of 168 and 172 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 168 ÷ 172 = 0 remainder 168 |
| 2 | 172 ÷ 168 = 1 remainder 4 |
| 3 | 168 ÷ 4 = 42 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 40 and 23 | 920 |
| 94 and 64 | 3008 |
| 111 and 151 | 16761 |
| 48 and 63 | 1008 |
| 144 and 78 | 1872 |