Least Common Multiple (LCM) of 105 and 153
The least common multiple (LCM) of 105 and 153 is 5355.
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 105 and 153?
First, calculate the GCD of 105 and 153 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 105 ÷ 153 = 0 remainder 105 |
| 2 | 153 ÷ 105 = 1 remainder 48 |
| 3 | 105 ÷ 48 = 2 remainder 9 |
| 4 | 48 ÷ 9 = 5 remainder 3 |
| 5 | 9 ÷ 3 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 29 and 70 | 2030 |
| 128 and 185 | 23680 |
| 153 and 101 | 15453 |
| 93 and 40 | 3720 |
| 32 and 177 | 5664 |