Least Common Multiple (LCM) of 19 and 98
The least common multiple (LCM) of 19 and 98 is 1862.
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 98?
First, calculate the GCD of 19 and 98 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 19 ÷ 98 = 0 remainder 19 |
| 2 | 98 ÷ 19 = 5 remainder 3 |
| 3 | 19 ÷ 3 = 6 remainder 1 |
| 4 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 190 and 72 | 6840 |
| 126 and 113 | 14238 |
| 185 and 21 | 3885 |
| 155 and 18 | 2790 |
| 175 and 127 | 22225 |