
Least Common Multiple (LCM) of 73 and 84
The least common multiple (LCM) of 73 and 84 is 6132.
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 73 and 84?
First, calculate the GCD of 73 and 84 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
Step | Calculation |
---|---|
1 | 73 ÷ 84 = 0 remainder 73 |
2 | 84 ÷ 73 = 1 remainder 11 |
3 | 73 ÷ 11 = 6 remainder 7 |
4 | 11 ÷ 7 = 1 remainder 4 |
5 | 7 ÷ 4 = 1 remainder 3 |
6 | 4 ÷ 3 = 1 remainder 1 |
7 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
Numbers | LCM |
---|---|
126 and 47 | 5922 |
18 and 162 | 162 |
163 and 199 | 32437 |
186 and 133 | 24738 |
120 and 152 | 2280 |