Least Common Multiple (LCM) of 61 and 16
The least common multiple (LCM) of 61 and 16 is 976.
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 61 and 16?
First, calculate the GCD of 61 and 16 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 61 ÷ 16 = 3 remainder 13 |
| 2 | 16 ÷ 13 = 1 remainder 3 |
| 3 | 13 ÷ 3 = 4 remainder 1 |
| 4 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 128 and 66 | 4224 |
| 103 and 164 | 16892 |
| 118 and 169 | 19942 |
| 108 and 13 | 1404 |
| 200 and 159 | 31800 |