Least Common Multiple (LCM) of 169 and 15
The least common multiple (LCM) of 169 and 15 is 2535.
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 15?
First, calculate the GCD of 169 and 15 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 169 ÷ 15 = 11 remainder 4 |
| 2 | 15 ÷ 4 = 3 remainder 3 |
| 3 | 4 ÷ 3 = 1 remainder 1 |
| 4 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 32 and 57 | 1824 |
| 146 and 177 | 25842 |
| 145 and 175 | 5075 |
| 135 and 70 | 1890 |
| 118 and 130 | 7670 |