Least Common Multiple (LCM) of 70 and 54
The least common multiple (LCM) of 70 and 54 is 1890.
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 70 and 54?
First, calculate the GCD of 70 and 54 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 70 ÷ 54 = 1 remainder 16 |
| 2 | 54 ÷ 16 = 3 remainder 6 |
| 3 | 16 ÷ 6 = 2 remainder 4 |
| 4 | 6 ÷ 4 = 1 remainder 2 |
| 5 | 4 ÷ 2 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 118 and 199 | 23482 |
| 172 and 101 | 17372 |
| 154 and 14 | 154 |
| 50 and 144 | 3600 |
| 190 and 53 | 10070 |