Least Common Multiple (LCM) of 178 and 70
The least common multiple (LCM) of 178 and 70 is 6230.
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 70?
First, calculate the GCD of 178 and 70 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 178 ÷ 70 = 2 remainder 38 |
| 2 | 70 ÷ 38 = 1 remainder 32 |
| 3 | 38 ÷ 32 = 1 remainder 6 |
| 4 | 32 ÷ 6 = 5 remainder 2 |
| 5 | 6 ÷ 2 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 147 and 75 | 3675 |
| 142 and 84 | 5964 |
| 79 and 130 | 10270 |
| 64 and 177 | 11328 |
| 198 and 170 | 16830 |