Least Common Multiple (LCM) of 120 and 98
The least common multiple (LCM) of 120 and 98 is 5880.
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 120 and 98?
First, calculate the GCD of 120 and 98 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 120 ÷ 98 = 1 remainder 22 |
| 2 | 98 ÷ 22 = 4 remainder 10 |
| 3 | 22 ÷ 10 = 2 remainder 2 |
| 4 | 10 ÷ 2 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 56 and 19 | 1064 |
| 174 and 156 | 4524 |
| 49 and 167 | 8183 |
| 49 and 155 | 7595 |
| 155 and 27 | 4185 |