Long Division Problem: Dividing 15003 by 3 Step-by-Step

To solve the problem of dividing $15003$ by $3$, we will use the long division method. Let's break it down step-by-step:

• Step 1: Begin with the first digit of $15003$, which is $1$. Since $1$ divided by $3$ is $0$, we can't use this, so we consider the first two digits, which are $15$.
• Step 2: Divide $15$ by $3$. The result is $5$ because $5 \times 3 = 15$. Subtract $15$ from $15$ to get $0$.
• Step 3: Bring down the next digit, which is $0$. Now, we have $0$ to divide by $3$, which results in $0$. Write $0$ next to $5$ in the quotient.
• Step 4: Bring down the next digit, which is again $0$. Divide $0$ by $3$ to get $0$. Write $0$ in the quotient, making it $500$.
• Step 5: Finally, bring down the last digit, which is $3$. Divide $3$ by $3$ to get $1$. Write $1$ in the quotient, making it $5001$.

The division is complete as there are no more digits to bring down. Hence, the quotient of dividing $15003$ by $3$ is:

$5001$.