Least Common Multiple (LCM) of 79 and 178
The least common multiple (LCM) of 79 and 178 is 14062.
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 178?
First, calculate the GCD of 79 and 178 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 79 ÷ 178 = 0 remainder 79 |
| 2 | 178 ÷ 79 = 2 remainder 20 |
| 3 | 79 ÷ 20 = 3 remainder 19 |
| 4 | 20 ÷ 19 = 1 remainder 1 |
| 5 | 19 ÷ 1 = 19 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 72 and 18 | 72 |
| 120 and 180 | 360 |
| 147 and 71 | 10437 |
| 103 and 134 | 13802 |
| 153 and 39 | 1989 |