Least Common Multiple (LCM) of 79 and 122
The least common multiple (LCM) of 79 and 122 is 9638.
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 122?
First, calculate the GCD of 79 and 122 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 79 ÷ 122 = 0 remainder 79 |
| 2 | 122 ÷ 79 = 1 remainder 43 |
| 3 | 79 ÷ 43 = 1 remainder 36 |
| 4 | 43 ÷ 36 = 1 remainder 7 |
| 5 | 36 ÷ 7 = 5 remainder 1 |
| 6 | 7 ÷ 1 = 7 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 145 and 186 | 26970 |
| 99 and 133 | 13167 |
| 101 and 80 | 8080 |
| 194 and 162 | 15714 |
| 85 and 54 | 4590 |