Least Common Multiple (LCM) of 65 and 143
The least common multiple (LCM) of 65 and 143 is 715.
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 65 and 143?
First, calculate the GCD of 65 and 143 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 65 ÷ 143 = 0 remainder 65 |
| 2 | 143 ÷ 65 = 2 remainder 13 |
| 3 | 65 ÷ 13 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 197 and 81 | 15957 |
| 70 and 136 | 4760 |
| 33 and 182 | 6006 |
| 120 and 127 | 15240 |
| 195 and 61 | 11895 |