Least Common Multiple (LCM) of 117 and 84
The least common multiple (LCM) of 117 and 84 is 3276.
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 117 and 84?
First, calculate the GCD of 117 and 84 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 117 ÷ 84 = 1 remainder 33 |
| 2 | 84 ÷ 33 = 2 remainder 18 |
| 3 | 33 ÷ 18 = 1 remainder 15 |
| 4 | 18 ÷ 15 = 1 remainder 3 |
| 5 | 15 ÷ 3 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 39 and 187 | 7293 |
| 186 and 78 | 2418 |
| 170 and 52 | 4420 |
| 124 and 63 | 7812 |
| 21 and 92 | 1932 |