Least Common Multiple (LCM) of 83 and 38
The least common multiple (LCM) of 83 and 38 is 3154.
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 83 and 38?
First, calculate the GCD of 83 and 38 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 83 ÷ 38 = 2 remainder 7 |
| 2 | 38 ÷ 7 = 5 remainder 3 |
| 3 | 7 ÷ 3 = 2 remainder 1 |
| 4 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 49 and 74 | 3626 |
| 86 and 55 | 4730 |
| 179 and 105 | 18795 |
| 117 and 113 | 13221 |
| 139 and 117 | 16263 |