Least Common Multiple (LCM) of 169 and 79
The least common multiple (LCM) of 169 and 79 is 13351.
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 169 and 79?
First, calculate the GCD of 169 and 79 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 169 ÷ 79 = 2 remainder 11 |
| 2 | 79 ÷ 11 = 7 remainder 2 |
| 3 | 11 ÷ 2 = 5 remainder 1 |
| 4 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 48 and 173 | 8304 |
| 122 and 128 | 7808 |
| 17 and 180 | 3060 |
| 62 and 70 | 2170 |
| 178 and 139 | 24742 |