Least Common Multiple (LCM) of 70 and 200
The least common multiple (LCM) of 70 and 200 is 1400.
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 200?
First, calculate the GCD of 70 and 200 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 70 ÷ 200 = 0 remainder 70 |
| 2 | 200 ÷ 70 = 2 remainder 60 |
| 3 | 70 ÷ 60 = 1 remainder 10 |
| 4 | 60 ÷ 10 = 6 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 90 and 142 | 6390 |
| 138 and 91 | 12558 |
| 172 and 88 | 3784 |
| 133 and 36 | 4788 |
| 108 and 37 | 3996 |