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Question
What is the quotient and remainder when $ 8001 $ is divided by $ 7 $ ?
Answer
The quotient is 1143 and the remainder is 0.
Explanation
Division Table
|
| 1 | 1 | 4 | 3 |
7 | 8 | 0 | 0 | 1 |
– | 7 | | | |
| 1 | 0 | | |
| – | 7 | | |
| | 3 | 0 | |
| – | 2 | 8 | |
| | | 2 | 1 |
| | – | 2 | 1 |
| | | | 0 |
STEP 0: set up a division table
|
| | | | |
7 | 8 | 0 | 0 | 1 |
STEP 1: DIVIDE 8 : 7 = 1 with a remainder of 1
|
| 1 | | | |
7 | 8 | 0 | 0 | 1 |
STEP 2: MULTIPLY 1 · 7 = 7
|
| 1 | | | |
7 | 8 | 0 | 0 | 1 |
| 7 | | | |
STEP 3: SUBTRACT 8 - 7 = 1
|
| 1 | | | |
7 | 8 | 0 | 0 | 1 |
– | 7 | | | |
| 1 | | | |
STEP 4: BRING DOWN
|
| 1 | | | |
7 | 8 | 0 | 0 | 1 |
– | 7 | | | |
| 1 | 0 | | |
STEP 5: DIVIDE 10 : 7 = 1 with a remainder of 3
|
| 1 | 1 | | |
7 | 8 | 0 | 0 | 1 |
– | 7 | | | |
| 1 | 0 | | |
STEP 6: MULTIPLY 1 · 7 = 7
|
| 1 | 1 | | |
7 | 8 | 0 | 0 | 1 |
– | 7 | | | |
| 1 | 0 | | |
| | 7 | | |
STEP 7: SUBTRACT 10 - 7 = 3
|
| 1 | 1 | | |
7 | 8 | 0 | 0 | 1 |
– | 7 | | | |
| 1 | 0 | | |
| – | 7 | | |
| | 3 | | |
STEP 8: BRING DOWN
|
| 1 | 1 | | |
7 | 8 | 0 | 0 | 1 |
– | 7 | | | |
| 1 | 0 | | |
| – | 7 | | |
| | 3 | 0 | |
STEP 9: DIVIDE 30 : 7 = 4 with a remainder of 2
|
| 1 | 1 | 4 | |
7 | 8 | 0 | 0 | 1 |
– | 7 | | | |
| 1 | 0 | | |
| – | 7 | | |
| | 3 | 0 | |
STEP 10: MULTIPLY 4 · 7 = 28
|
| 1 | 1 | 4 | |
7 | 8 | 0 | 0 | 1 |
– | 7 | | | |
| 1 | 0 | | |
| – | 7 | | |
| | 3 | 0 | |
| | 2 | 8 | |
STEP 11: SUBTRACT 30 - 28 = 2
|
| 1 | 1 | 4 | |
7 | 8 | 0 | 0 | 1 |
– | 7 | | | |
| 1 | 0 | | |
| – | 7 | | |
| | 3 | 0 | |
| – | 2 | 8 | |
| | | 2 | |
STEP 12: BRING DOWN
|
| 1 | 1 | 4 | |
7 | 8 | 0 | 0 | 1 |
– | 7 | | | |
| 1 | 0 | | |
| – | 7 | | |
| | 3 | 0 | |
| – | 2 | 8 | |
| | | 2 | 1 |
STEP 13: DIVIDE 21 : 7 = 3 with a remainder of 0
|
| 1 | 1 | 4 | 3 |
7 | 8 | 0 | 0 | 1 |
– | 7 | | | |
| 1 | 0 | | |
| – | 7 | | |
| | 3 | 0 | |
| – | 2 | 8 | |
| | | 2 | 1 |
STEP 14: MULTIPLY 3 · 7 = 21
|
| 1 | 1 | 4 | 3 |
7 | 8 | 0 | 0 | 1 |
– | 7 | | | |
| 1 | 0 | | |
| – | 7 | | |
| | 3 | 0 | |
| – | 2 | 8 | |
| | | 2 | 1 |
| | | 2 | 1 |
STEP 15: SUBTRACT 21 - 21 = 0
|
| 1 | 1 | 4 | 3 |
7 | 8 | 0 | 0 | 1 |
– | 7 | | | |
| 1 | 0 | | |
| – | 7 | | |
| | 3 | 0 | |
| – | 2 | 8 | |
| | | 2 | 1 |
| | – | 2 | 1 |
| | | | 0 |
STEP 15: SUBTRACT 21 - 21 = 0
|
| 1 | 1 | 4 | 3 |
7 | 8 | 0 | 0 | 1 |
– | 7 | | | |
| 1 | 0 | | |
| – | 7 | | |
| | 3 | 0 | |
| – | 2 | 8 | |
| | | 2 | 1 |
| | – | 2 | 1 |
| | | | 0 |
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