Least Common Multiple (LCM) of 117 and 57
The least common multiple (LCM) of 117 and 57 is 2223.
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 57?
First, calculate the GCD of 117 and 57 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 117 ÷ 57 = 2 remainder 3 |
| 2 | 57 ÷ 3 = 19 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 162 and 19 | 3078 |
| 103 and 98 | 10094 |
| 91 and 153 | 13923 |
| 89 and 192 | 17088 |
| 19 and 53 | 1007 |