Least Common Multiple (LCM) of 153 and 33
The least common multiple (LCM) of 153 and 33 is 1683.
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 33?
First, calculate the GCD of 153 and 33 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 153 ÷ 33 = 4 remainder 21 |
| 2 | 33 ÷ 21 = 1 remainder 12 |
| 3 | 21 ÷ 12 = 1 remainder 9 |
| 4 | 12 ÷ 9 = 1 remainder 3 |
| 5 | 9 ÷ 3 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 157 and 143 | 22451 |
| 105 and 48 | 1680 |
| 132 and 121 | 1452 |
| 148 and 121 | 17908 |
| 72 and 47 | 3384 |