Least Common Multiple (LCM) of 72 and 177
The least common multiple (LCM) of 72 and 177 is 4248.
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 177?
First, calculate the GCD of 72 and 177 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 72 ÷ 177 = 0 remainder 72 |
| 2 | 177 ÷ 72 = 2 remainder 33 |
| 3 | 72 ÷ 33 = 2 remainder 6 |
| 4 | 33 ÷ 6 = 5 remainder 3 |
| 5 | 6 ÷ 3 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 131 and 58 | 7598 |
| 193 and 68 | 13124 |
| 155 and 46 | 7130 |
| 110 and 107 | 11770 |
| 17 and 88 | 1496 |