Least Common Multiple (LCM) of 170 and 111
The least common multiple (LCM) of 170 and 111 is 18870.
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 170 and 111?
First, calculate the GCD of 170 and 111 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 170 ÷ 111 = 1 remainder 59 |
| 2 | 111 ÷ 59 = 1 remainder 52 |
| 3 | 59 ÷ 52 = 1 remainder 7 |
| 4 | 52 ÷ 7 = 7 remainder 3 |
| 5 | 7 ÷ 3 = 2 remainder 1 |
| 6 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 61 and 136 | 8296 |
| 36 and 135 | 540 |
| 144 and 39 | 1872 |
| 160 and 191 | 30560 |
| 165 and 174 | 9570 |