Least Common Multiple (LCM) of 72 and 175
The least common multiple (LCM) of 72 and 175 is 12600.
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 72 and 175?
First, calculate the GCD of 72 and 175 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 72 ÷ 175 = 0 remainder 72 |
| 2 | 175 ÷ 72 = 2 remainder 31 |
| 3 | 72 ÷ 31 = 2 remainder 10 |
| 4 | 31 ÷ 10 = 3 remainder 1 |
| 5 | 10 ÷ 1 = 10 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 131 and 37 | 4847 |
| 181 and 130 | 23530 |
| 84 and 170 | 7140 |
| 104 and 27 | 2808 |
| 48 and 46 | 1104 |