Least Common Multiple (LCM) of 19 and 151
The least common multiple (LCM) of 19 and 151 is 2869.
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 151?
First, calculate the GCD of 19 and 151 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 19 ÷ 151 = 0 remainder 19 |
| 2 | 151 ÷ 19 = 7 remainder 18 |
| 3 | 19 ÷ 18 = 1 remainder 1 |
| 4 | 18 ÷ 1 = 18 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 197 and 188 | 37036 |
| 112 and 190 | 10640 |
| 20 and 131 | 2620 |
| 65 and 12 | 780 |
| 61 and 105 | 6405 |