
Least Common Multiple (LCM) of 19 and 67
The least common multiple (LCM) of 19 and 67 is 1273.
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 67?
First, calculate the GCD of 19 and 67 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
Step | Calculation |
---|---|
1 | 19 ÷ 67 = 0 remainder 19 |
2 | 67 ÷ 19 = 3 remainder 10 |
3 | 19 ÷ 10 = 1 remainder 9 |
4 | 10 ÷ 9 = 1 remainder 1 |
5 | 9 ÷ 1 = 9 remainder 0 |
Examples of LCM Calculations
Numbers | LCM |
---|---|
61 and 189 | 11529 |
115 and 142 | 16330 |
99 and 127 | 12573 |
78 and 71 | 5538 |
93 and 188 | 17484 |