Least Common Multiple (LCM) of 186 and 72
The least common multiple (LCM) of 186 and 72 is 2232.
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 186 and 72?
First, calculate the GCD of 186 and 72 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 186 ÷ 72 = 2 remainder 42 |
| 2 | 72 ÷ 42 = 1 remainder 30 |
| 3 | 42 ÷ 30 = 1 remainder 12 |
| 4 | 30 ÷ 12 = 2 remainder 6 |
| 5 | 12 ÷ 6 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 114 and 128 | 7296 |
| 110 and 113 | 12430 |
| 151 and 168 | 25368 |
| 160 and 24 | 480 |
| 153 and 77 | 11781 |