Least Common Multiple (LCM) of 196 and 153
The least common multiple (LCM) of 196 and 153 is 29988.
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 196 and 153?
First, calculate the GCD of 196 and 153 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 196 ÷ 153 = 1 remainder 43 |
| 2 | 153 ÷ 43 = 3 remainder 24 |
| 3 | 43 ÷ 24 = 1 remainder 19 |
| 4 | 24 ÷ 19 = 1 remainder 5 |
| 5 | 19 ÷ 5 = 3 remainder 4 |
| 6 | 5 ÷ 4 = 1 remainder 1 |
| 7 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 144 and 199 | 28656 |
| 75 and 140 | 2100 |
| 149 and 64 | 9536 |
| 130 and 196 | 12740 |
| 22 and 65 | 1430 |