Least Common Multiple (LCM) of 75 and 19
The least common multiple (LCM) of 75 and 19 is 1425.
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 75 and 19?
First, calculate the GCD of 75 and 19 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 75 ÷ 19 = 3 remainder 18 |
| 2 | 19 ÷ 18 = 1 remainder 1 |
| 3 | 18 ÷ 1 = 18 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 109 and 56 | 6104 |
| 102 and 160 | 8160 |
| 37 and 70 | 2590 |
| 120 and 91 | 10920 |
| 70 and 98 | 490 |