Least Common Multiple (LCM) of 66 and 70
The least common multiple (LCM) of 66 and 70 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 66 and 70?
First, calculate the GCD of 66 and 70 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 66 ÷ 70 = 0 remainder 66 |
| 2 | 70 ÷ 66 = 1 remainder 4 |
| 3 | 66 ÷ 4 = 16 remainder 2 |
| 4 | 4 ÷ 2 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 111 and 184 | 20424 |
| 66 and 78 | 858 |
| 90 and 19 | 1710 |
| 91 and 163 | 14833 |
| 110 and 195 | 4290 |