Least Common Multiple (LCM) of 162 and 98
The least common multiple (LCM) of 162 and 98 is 7938.
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 162 and 98?
First, calculate the GCD of 162 and 98 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 162 ÷ 98 = 1 remainder 64 |
| 2 | 98 ÷ 64 = 1 remainder 34 |
| 3 | 64 ÷ 34 = 1 remainder 30 |
| 4 | 34 ÷ 30 = 1 remainder 4 |
| 5 | 30 ÷ 4 = 7 remainder 2 |
| 6 | 4 ÷ 2 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 29 and 131 | 3799 |
| 177 and 33 | 1947 |
| 19 and 78 | 1482 |
| 139 and 127 | 17653 |
| 159 and 51 | 2703 |