Least Common Multiple (LCM) of 72 and 174
The least common multiple (LCM) of 72 and 174 is 2088.
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 174?
First, calculate the GCD of 72 and 174 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 72 ÷ 174 = 0 remainder 72 |
| 2 | 174 ÷ 72 = 2 remainder 30 |
| 3 | 72 ÷ 30 = 2 remainder 12 |
| 4 | 30 ÷ 12 = 2 remainder 6 |
| 5 | 12 ÷ 6 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 61 and 132 | 8052 |
| 80 and 71 | 5680 |
| 154 and 25 | 3850 |
| 172 and 47 | 8084 |
| 69 and 35 | 2415 |