Least Common Multiple (LCM) of 172 and 98
The least common multiple (LCM) of 172 and 98 is 8428.
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 172 and 98?
First, calculate the GCD of 172 and 98 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 172 ÷ 98 = 1 remainder 74 |
| 2 | 98 ÷ 74 = 1 remainder 24 |
| 3 | 74 ÷ 24 = 3 remainder 2 |
| 4 | 24 ÷ 2 = 12 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 49 and 15 | 735 |
| 110 and 72 | 3960 |
| 13 and 34 | 442 |
| 143 and 92 | 13156 |
| 39 and 198 | 2574 |