Least Common Multiple (LCM) of 145 and 72
The least common multiple (LCM) of 145 and 72 is 10440.
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 72?
First, calculate the GCD of 145 and 72 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 145 ÷ 72 = 2 remainder 1 |
| 2 | 72 ÷ 1 = 72 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 162 and 94 | 7614 |
| 155 and 80 | 2480 |
| 43 and 49 | 2107 |
| 141 and 166 | 23406 |
| 124 and 87 | 10788 |