Least Common Multiple (LCM) of 48 and 79
The least common multiple (LCM) of 48 and 79 is 3792.
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 48 and 79?
First, calculate the GCD of 48 and 79 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 48 ÷ 79 = 0 remainder 48 |
| 2 | 79 ÷ 48 = 1 remainder 31 |
| 3 | 48 ÷ 31 = 1 remainder 17 |
| 4 | 31 ÷ 17 = 1 remainder 14 |
| 5 | 17 ÷ 14 = 1 remainder 3 |
| 6 | 14 ÷ 3 = 4 remainder 2 |
| 7 | 3 ÷ 2 = 1 remainder 1 |
| 8 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 183 and 49 | 8967 |
| 138 and 11 | 1518 |
| 195 and 108 | 7020 |
| 145 and 183 | 26535 |
| 179 and 89 | 15931 |