Least Common Multiple (LCM) of 187 and 19
The least common multiple (LCM) of 187 and 19 is 3553.
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 187 and 19?
First, calculate the GCD of 187 and 19 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 187 ÷ 19 = 9 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 |
|---|---|
| 80 and 135 | 2160 |
| 155 and 117 | 18135 |
| 59 and 22 | 1298 |
| 70 and 12 | 420 |
| 147 and 170 | 24990 |