Least Common Multiple (LCM) of 145 and 180
The least common multiple (LCM) of 145 and 180 is 5220.
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 145 and 180?
First, calculate the GCD of 145 and 180 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 145 ÷ 180 = 0 remainder 145 |
| 2 | 180 ÷ 145 = 1 remainder 35 |
| 3 | 145 ÷ 35 = 4 remainder 5 |
| 4 | 35 ÷ 5 = 7 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 26 and 72 | 936 |
| 122 and 22 | 1342 |
| 61 and 148 | 9028 |
| 184 and 23 | 184 |
| 185 and 71 | 13135 |