Least Common Multiple (LCM) of 69 and 179
The least common multiple (LCM) of 69 and 179 is 12351.
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 69 and 179?
First, calculate the GCD of 69 and 179 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 69 ÷ 179 = 0 remainder 69 |
| 2 | 179 ÷ 69 = 2 remainder 41 |
| 3 | 69 ÷ 41 = 1 remainder 28 |
| 4 | 41 ÷ 28 = 1 remainder 13 |
| 5 | 28 ÷ 13 = 2 remainder 2 |
| 6 | 13 ÷ 2 = 6 remainder 1 |
| 7 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 156 and 186 | 4836 |
| 158 and 20 | 1580 |
| 76 and 55 | 4180 |
| 190 and 75 | 2850 |
| 155 and 171 | 26505 |