Least Common Multiple (LCM) of 154 and 173
The least common multiple (LCM) of 154 and 173 is 26642.
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 154 and 173?
First, calculate the GCD of 154 and 173 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 154 ÷ 173 = 0 remainder 154 |
| 2 | 173 ÷ 154 = 1 remainder 19 |
| 3 | 154 ÷ 19 = 8 remainder 2 |
| 4 | 19 ÷ 2 = 9 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 54 and 133 | 7182 |
| 107 and 104 | 11128 |
| 70 and 42 | 210 |
| 76 and 108 | 2052 |
| 143 and 163 | 23309 |