
Least Common Multiple (LCM) of 16 and 80
The least common multiple (LCM) of 16 and 80 is 80.
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 16 and 80?
First, calculate the GCD of 16 and 80 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
Step | Calculation |
---|---|
1 | 16 ÷ 80 = 0 remainder 16 |
2 | 80 ÷ 16 = 5 remainder 0 |
Examples of LCM Calculations
Numbers | LCM |
---|---|
175 and 10 | 350 |
138 and 20 | 1380 |
106 and 118 | 6254 |
171 and 104 | 17784 |
126 and 25 | 3150 |