Least Common Multiple (LCM) of 153 and 170
The least common multiple (LCM) of 153 and 170 is 1530.
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 153 and 170?
First, calculate the GCD of 153 and 170 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 153 ÷ 170 = 0 remainder 153 |
| 2 | 170 ÷ 153 = 1 remainder 17 |
| 3 | 153 ÷ 17 = 9 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 54 and 162 | 162 |
| 78 and 90 | 1170 |
| 154 and 135 | 20790 |
| 197 and 11 | 2167 |
| 87 and 128 | 11136 |