Least Common Multiple (LCM) of 12 and 145
The least common multiple (LCM) of 12 and 145 is 1740.
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 12 and 145?
First, calculate the GCD of 12 and 145 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 12 ÷ 145 = 0 remainder 12 |
| 2 | 145 ÷ 12 = 12 remainder 1 |
| 3 | 12 ÷ 1 = 12 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 140 and 30 | 420 |
| 178 and 178 | 178 |
| 159 and 157 | 24963 |
| 180 and 112 | 5040 |
| 51 and 64 | 3264 |