Least Common Multiple (LCM) of 71 and 136
The least common multiple (LCM) of 71 and 136 is 9656.
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 71 and 136?
First, calculate the GCD of 71 and 136 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 71 ÷ 136 = 0 remainder 71 |
| 2 | 136 ÷ 71 = 1 remainder 65 |
| 3 | 71 ÷ 65 = 1 remainder 6 |
| 4 | 65 ÷ 6 = 10 remainder 5 |
| 5 | 6 ÷ 5 = 1 remainder 1 |
| 6 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 140 and 87 | 12180 |
| 51 and 142 | 7242 |
| 38 and 103 | 3914 |
| 105 and 178 | 18690 |
| 187 and 141 | 26367 |