Least Common Multiple (LCM) of 70 and 66
The least common multiple (LCM) of 70 and 66 is 2310.
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 66?
First, calculate the GCD of 70 and 66 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 70 ÷ 66 = 1 remainder 4 |
| 2 | 66 ÷ 4 = 16 remainder 2 |
| 3 | 4 ÷ 2 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 74 and 78 | 2886 |
| 163 and 121 | 19723 |
| 50 and 44 | 1100 |
| 127 and 149 | 18923 |
| 195 and 25 | 975 |