Least Common Multiple (LCM) of 57 and 93
The least common multiple (LCM) of 57 and 93 is 1767.
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 57 and 93?
First, calculate the GCD of 57 and 93 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 57 ÷ 93 = 0 remainder 57 |
| 2 | 93 ÷ 57 = 1 remainder 36 |
| 3 | 57 ÷ 36 = 1 remainder 21 |
| 4 | 36 ÷ 21 = 1 remainder 15 |
| 5 | 21 ÷ 15 = 1 remainder 6 |
| 6 | 15 ÷ 6 = 2 remainder 3 |
| 7 | 6 ÷ 3 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 22 and 90 | 990 |
| 88 and 194 | 8536 |
| 198 and 184 | 18216 |
| 39 and 124 | 4836 |
| 181 and 184 | 33304 |