Least Common Multiple (LCM) of 79 and 68
The least common multiple (LCM) of 79 and 68 is 5372.
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 79 and 68?
First, calculate the GCD of 79 and 68 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 79 ÷ 68 = 1 remainder 11 |
| 2 | 68 ÷ 11 = 6 remainder 2 |
| 3 | 11 ÷ 2 = 5 remainder 1 |
| 4 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 164 and 55 | 9020 |
| 189 and 124 | 23436 |
| 97 and 174 | 16878 |
| 168 and 58 | 4872 |
| 90 and 126 | 630 |