Least Common Multiple (LCM) of 12 and 153
The least common multiple (LCM) of 12 and 153 is 612.
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 12 and 153?
First, calculate the GCD of 12 and 153 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 12 ÷ 153 = 0 remainder 12 |
| 2 | 153 ÷ 12 = 12 remainder 9 |
| 3 | 12 ÷ 9 = 1 remainder 3 |
| 4 | 9 ÷ 3 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 193 and 107 | 20651 |
| 31 and 164 | 5084 |
| 200 and 21 | 4200 |
| 127 and 23 | 2921 |
| 138 and 18 | 414 |