Least Common Multiple (LCM) of 156 and 98
The least common multiple (LCM) of 156 and 98 is 7644.
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 156 and 98?
First, calculate the GCD of 156 and 98 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 156 ÷ 98 = 1 remainder 58 |
| 2 | 98 ÷ 58 = 1 remainder 40 |
| 3 | 58 ÷ 40 = 1 remainder 18 |
| 4 | 40 ÷ 18 = 2 remainder 4 |
| 5 | 18 ÷ 4 = 4 remainder 2 |
| 6 | 4 ÷ 2 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 199 and 185 | 36815 |
| 185 and 129 | 23865 |
| 21 and 56 | 168 |
| 158 and 151 | 23858 |
| 108 and 62 | 3348 |