Least Common Multiple (LCM) of 149 and 19
The least common multiple (LCM) of 149 and 19 is 2831.
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 19?
First, calculate the GCD of 149 and 19 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 149 ÷ 19 = 7 remainder 16 |
| 2 | 19 ÷ 16 = 1 remainder 3 |
| 3 | 16 ÷ 3 = 5 remainder 1 |
| 4 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 177 and 13 | 2301 |
| 114 and 109 | 12426 |
| 178 and 55 | 9790 |
| 16 and 130 | 1040 |
| 34 and 43 | 1462 |