Least Common Multiple (LCM) of 169 and 57
The least common multiple (LCM) of 169 and 57 is 9633.
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 169 and 57?
First, calculate the GCD of 169 and 57 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 169 ÷ 57 = 2 remainder 55 |
| 2 | 57 ÷ 55 = 1 remainder 2 |
| 3 | 55 ÷ 2 = 27 remainder 1 |
| 4 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 133 and 192 | 25536 |
| 64 and 71 | 4544 |
| 69 and 155 | 10695 |
| 97 and 144 | 13968 |
| 88 and 116 | 2552 |