Least Common Multiple (LCM) of 17 and 109
The least common multiple (LCM) of 17 and 109 is 1853.
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 17 and 109?
First, calculate the GCD of 17 and 109 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 17 ÷ 109 = 0 remainder 17 |
| 2 | 109 ÷ 17 = 6 remainder 7 |
| 3 | 17 ÷ 7 = 2 remainder 3 |
| 4 | 7 ÷ 3 = 2 remainder 1 |
| 5 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 108 and 169 | 18252 |
| 17 and 64 | 1088 |
| 160 and 164 | 6560 |
| 160 and 33 | 5280 |
| 65 and 26 | 130 |