Least Common Multiple (LCM) of 15 and 112
The least common multiple (LCM) of 15 and 112 is 1680.
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 15 and 112?
First, calculate the GCD of 15 and 112 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 15 ÷ 112 = 0 remainder 15 |
| 2 | 112 ÷ 15 = 7 remainder 7 |
| 3 | 15 ÷ 7 = 2 remainder 1 |
| 4 | 7 ÷ 1 = 7 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 173 and 64 | 11072 |
| 70 and 114 | 3990 |
| 179 and 132 | 23628 |
| 106 and 35 | 3710 |
| 165 and 21 | 1155 |