Least Common Multiple (LCM) of 70 and 136
The least common multiple (LCM) of 70 and 136 is 4760.
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 136?
First, calculate the GCD of 70 and 136 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 70 ÷ 136 = 0 remainder 70 |
| 2 | 136 ÷ 70 = 1 remainder 66 |
| 3 | 70 ÷ 66 = 1 remainder 4 |
| 4 | 66 ÷ 4 = 16 remainder 2 |
| 5 | 4 ÷ 2 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 168 and 21 | 168 |
| 187 and 92 | 17204 |
| 75 and 85 | 1275 |
| 44 and 23 | 1012 |
| 180 and 182 | 16380 |