Least Common Multiple (LCM) of 172 and 75
The least common multiple (LCM) of 172 and 75 is 12900.
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 75?
First, calculate the GCD of 172 and 75 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 172 ÷ 75 = 2 remainder 22 |
| 2 | 75 ÷ 22 = 3 remainder 9 |
| 3 | 22 ÷ 9 = 2 remainder 4 |
| 4 | 9 ÷ 4 = 2 remainder 1 |
| 5 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 67 and 26 | 1742 |
| 157 and 132 | 20724 |
| 40 and 162 | 3240 |
| 169 and 68 | 11492 |
| 191 and 162 | 30942 |