Least Common Multiple (LCM) of 113 and 67
The least common multiple (LCM) of 113 and 67 is 7571.
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 113 and 67?
First, calculate the GCD of 113 and 67 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 113 ÷ 67 = 1 remainder 46 |
| 2 | 67 ÷ 46 = 1 remainder 21 |
| 3 | 46 ÷ 21 = 2 remainder 4 |
| 4 | 21 ÷ 4 = 5 remainder 1 |
| 5 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 105 and 21 | 105 |
| 81 and 158 | 12798 |
| 30 and 54 | 270 |
| 72 and 115 | 8280 |
| 142 and 170 | 12070 |