Least Common Multiple (LCM) of 155 and 147
The least common multiple (LCM) of 155 and 147 is 22785.
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 155 and 147?
First, calculate the GCD of 155 and 147 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 155 ÷ 147 = 1 remainder 8 |
| 2 | 147 ÷ 8 = 18 remainder 3 |
| 3 | 8 ÷ 3 = 2 remainder 2 |
| 4 | 3 ÷ 2 = 1 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 191 and 38 | 7258 |
| 84 and 72 | 504 |
| 196 and 28 | 196 |
| 122 and 196 | 11956 |
| 165 and 79 | 13035 |