Least Common Multiple (LCM) of 153 and 155
The least common multiple (LCM) of 153 and 155 is 23715.
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 155?
First, calculate the GCD of 153 and 155 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 153 ÷ 155 = 0 remainder 153 |
| 2 | 155 ÷ 153 = 1 remainder 2 |
| 3 | 153 ÷ 2 = 76 remainder 1 |
| 4 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 11 and 39 | 429 |
| 26 and 30 | 390 |
| 147 and 132 | 6468 |
| 39 and 46 | 1794 |
| 184 and 108 | 4968 |