Least Common Multiple (LCM) of 154 and 181
The least common multiple (LCM) of 154 and 181 is 27874.
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 181?
First, calculate the GCD of 154 and 181 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 154 ÷ 181 = 0 remainder 154 |
| 2 | 181 ÷ 154 = 1 remainder 27 |
| 3 | 154 ÷ 27 = 5 remainder 19 |
| 4 | 27 ÷ 19 = 1 remainder 8 |
| 5 | 19 ÷ 8 = 2 remainder 3 |
| 6 | 8 ÷ 3 = 2 remainder 2 |
| 7 | 3 ÷ 2 = 1 remainder 1 |
| 8 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 80 and 161 | 12880 |
| 179 and 37 | 6623 |
| 174 and 190 | 16530 |
| 128 and 15 | 1920 |
| 48 and 172 | 2064 |