Least Common Multiple (LCM) of 153 and 123
The least common multiple (LCM) of 153 and 123 is 6273.
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 123?
First, calculate the GCD of 153 and 123 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 153 ÷ 123 = 1 remainder 30 |
| 2 | 123 ÷ 30 = 4 remainder 3 |
| 3 | 30 ÷ 3 = 10 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 87 and 126 | 3654 |
| 159 and 139 | 22101 |
| 175 and 49 | 1225 |
| 155 and 73 | 11315 |
| 172 and 43 | 172 |