Least Common Multiple (LCM) of 72 and 106
The least common multiple (LCM) of 72 and 106 is 3816.
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 72 and 106?
First, calculate the GCD of 72 and 106 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 72 ÷ 106 = 0 remainder 72 |
| 2 | 106 ÷ 72 = 1 remainder 34 |
| 3 | 72 ÷ 34 = 2 remainder 4 |
| 4 | 34 ÷ 4 = 8 remainder 2 |
| 5 | 4 ÷ 2 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 93 and 38 | 3534 |
| 84 and 70 | 420 |
| 64 and 44 | 704 |
| 16 and 173 | 2768 |
| 155 and 149 | 23095 |