Least Common Multiple (LCM) of 71 and 153
The least common multiple (LCM) of 71 and 153 is 10863.
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 153?
First, calculate the GCD of 71 and 153 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 71 ÷ 153 = 0 remainder 71 |
| 2 | 153 ÷ 71 = 2 remainder 11 |
| 3 | 71 ÷ 11 = 6 remainder 5 |
| 4 | 11 ÷ 5 = 2 remainder 1 |
| 5 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 61 and 70 | 4270 |
| 157 and 107 | 16799 |
| 78 and 90 | 1170 |
| 28 and 10 | 140 |
| 126 and 122 | 7686 |