Least Common Multiple (LCM) of 149 and 170
The least common multiple (LCM) of 149 and 170 is 25330.
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 149 and 170?
First, calculate the GCD of 149 and 170 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 149 ÷ 170 = 0 remainder 149 |
| 2 | 170 ÷ 149 = 1 remainder 21 |
| 3 | 149 ÷ 21 = 7 remainder 2 |
| 4 | 21 ÷ 2 = 10 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 26 and 49 | 1274 |
| 123 and 141 | 5781 |
| 53 and 94 | 4982 |
| 82 and 109 | 8938 |
| 39 and 99 | 1287 |