Least Common Multiple (LCM) of 168 and 98
The least common multiple (LCM) of 168 and 98 is 1176.
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 168 and 98?
First, calculate the GCD of 168 and 98 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 168 ÷ 98 = 1 remainder 70 |
| 2 | 98 ÷ 70 = 1 remainder 28 |
| 3 | 70 ÷ 28 = 2 remainder 14 |
| 4 | 28 ÷ 14 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 29 and 155 | 4495 |
| 18 and 46 | 414 |
| 87 and 27 | 783 |
| 138 and 189 | 8694 |
| 77 and 170 | 13090 |