Least Common Multiple (LCM) of 19 and 97
The least common multiple (LCM) of 19 and 97 is 1843.
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 19 and 97?
First, calculate the GCD of 19 and 97 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 19 ÷ 97 = 0 remainder 19 |
| 2 | 97 ÷ 19 = 5 remainder 2 |
| 3 | 19 ÷ 2 = 9 remainder 1 |
| 4 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 88 and 121 | 968 |
| 175 and 75 | 525 |
| 200 and 105 | 4200 |
| 128 and 116 | 3712 |
| 131 and 188 | 24628 |