Least Common Multiple (LCM) of 178 and 28
The least common multiple (LCM) of 178 and 28 is 2492.
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 178 and 28?
First, calculate the GCD of 178 and 28 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 178 ÷ 28 = 6 remainder 10 |
| 2 | 28 ÷ 10 = 2 remainder 8 |
| 3 | 10 ÷ 8 = 1 remainder 2 |
| 4 | 8 ÷ 2 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 105 and 121 | 12705 |
| 175 and 110 | 3850 |
| 138 and 73 | 10074 |
| 36 and 116 | 1044 |
| 148 and 84 | 3108 |