Least Common Multiple (LCM) of 180 and 61
The least common multiple (LCM) of 180 and 61 is 10980.
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 180 and 61?
First, calculate the GCD of 180 and 61 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 180 ÷ 61 = 2 remainder 58 |
| 2 | 61 ÷ 58 = 1 remainder 3 |
| 3 | 58 ÷ 3 = 19 remainder 1 |
| 4 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 27 and 148 | 3996 |
| 162 and 127 | 20574 |
| 59 and 117 | 6903 |
| 105 and 199 | 20895 |
| 103 and 99 | 10197 |