Least Common Multiple (LCM) of 145 and 149
The least common multiple (LCM) of 145 and 149 is 21605.
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 149?
First, calculate the GCD of 145 and 149 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 145 ÷ 149 = 0 remainder 145 |
| 2 | 149 ÷ 145 = 1 remainder 4 |
| 3 | 145 ÷ 4 = 36 remainder 1 |
| 4 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 89 and 145 | 12905 |
| 170 and 58 | 4930 |
| 47 and 70 | 3290 |
| 182 and 199 | 36218 |
| 47 and 161 | 7567 |