Least Common Multiple (LCM) of 98 and 165
The least common multiple (LCM) of 98 and 165 is 16170.
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 98 and 165?
First, calculate the GCD of 98 and 165 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 98 ÷ 165 = 0 remainder 98 |
| 2 | 165 ÷ 98 = 1 remainder 67 |
| 3 | 98 ÷ 67 = 1 remainder 31 |
| 4 | 67 ÷ 31 = 2 remainder 5 |
| 5 | 31 ÷ 5 = 6 remainder 1 |
| 6 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 136 and 106 | 7208 |
| 115 and 142 | 16330 |
| 132 and 146 | 9636 |
| 120 and 160 | 480 |
| 10 and 86 | 430 |