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Question
What is the quotient and remainder when $ 230023 $ is divided by $ 11 $ ?
Answer
The quotient is 20911 and the remainder is 2.
Explanation
|
Division Table
|
| | | 0 | 2 | 0 | 9 | 1 | 1 |
| 1 | 1 | 2 | 3 | 0 | 0 | 2 | 3 |
| | – | 0 | | | | | |
| | | 2 | 3 | | | | |
| | – | 2 | 2 | | | | |
| | | | 1 | 0 | | | |
| | | | – | 0 | | | |
| | | | 1 | 0 | 0 | | |
| | | | – | 9 | 9 | | |
| | | | | | 1 | 2 | |
| | | | | – | 1 | 1 | |
| | | | | | | 1 | 3 |
| | | | | | – | 1 | 1 |
| | | | | | | | 2 |
STEP 0: set up a division table
|
| | | | | | | | |
| 1 | 1 | 2 | 3 | 0 | 0 | 2 | 3 |
STEP 1: DIVIDE 2 : 11 = 0 with a remainder of 2
|
| | | 0 | | | | | |
| 1 | 1 | 2 | 3 | 0 | 0 | 2 | 3 |
STEP 2: MULTIPLY 0 · 11 = 0
|
| | | 0 | | | | | |
| 1 | 1 | 2 | 3 | 0 | 0 | 2 | 3 |
| | | 0 | | | | | |
STEP 3: SUBTRACT 2 - 0 = 2
|
| | | 0 | | | | | |
| 1 | 1 | 2 | 3 | 0 | 0 | 2 | 3 |
| | – | 0 | | | | | |
| | | 2 | | | | | |
|
STEP 4: BRING DOWN
|
| | | 0 | | | | | |
| 1 | 1 | 2 | 3 | 0 | 0 | 2 | 3 |
| | – | 0 | | | | | |
| | | 2 | 3 | | | | |
STEP 5: DIVIDE 23 : 11 = 2 with a remainder of 1
|
| | | 0 | 2 | | | | |
| 1 | 1 | 2 | 3 | 0 | 0 | 2 | 3 |
| | – | 0 | | | | | |
| | | 2 | 3 | | | | |
STEP 6: MULTIPLY 2 · 11 = 22
|
| | | 0 | 2 | | | | |
| 1 | 1 | 2 | 3 | 0 | 0 | 2 | 3 |
| | – | 0 | | | | | |
| | | 2 | 3 | | | | |
| | | 2 | 2 | | | | |
STEP 7: SUBTRACT 23 - 22 = 1
|
| | | 0 | 2 | | | | |
| 1 | 1 | 2 | 3 | 0 | 0 | 2 | 3 |
| | – | 0 | | | | | |
| | | 2 | 3 | | | | |
| | – | 2 | 2 | | | | |
| | | | 1 | | | | |
|
STEP 8: BRING DOWN
|
| | | 0 | 2 | | | | |
| 1 | 1 | 2 | 3 | 0 | 0 | 2 | 3 |
| | – | 0 | | | | | |
| | | 2 | 3 | | | | |
| | – | 2 | 2 | | | | |
| | | | 1 | 0 | | | |
STEP 9: DIVIDE 10 : 11 = 0 with a remainder of 10
|
| | | 0 | 2 | 0 | | | |
| 1 | 1 | 2 | 3 | 0 | 0 | 2 | 3 |
| | – | 0 | | | | | |
| | | 2 | 3 | | | | |
| | – | 2 | 2 | | | | |
| | | | 1 | 0 | | | |
STEP 10: MULTIPLY 0 · 11 = 0
|
| | | 0 | 2 | 0 | | | |
| 1 | 1 | 2 | 3 | 0 | 0 | 2 | 3 |
| | – | 0 | | | | | |
| | | 2 | 3 | | | | |
| | – | 2 | 2 | | | | |
| | | | 1 | 0 | | | |
| | | | | 0 | | | |
STEP 11: SUBTRACT 10 - 0 = 10
|
| | | 0 | 2 | 0 | | | |
| 1 | 1 | 2 | 3 | 0 | 0 | 2 | 3 |
| | – | 0 | | | | | |
| | | 2 | 3 | | | | |
| | – | 2 | 2 | | | | |
| | | | 1 | 0 | | | |
| | | | – | 0 | | | |
| | | | 1 | 0 | | | |
|
STEP 12: BRING DOWN
|
| | | 0 | 2 | 0 | | | |
| 1 | 1 | 2 | 3 | 0 | 0 | 2 | 3 |
| | – | 0 | | | | | |
| | | 2 | 3 | | | | |
| | – | 2 | 2 | | | | |
| | | | 1 | 0 | | | |
| | | | – | 0 | | | |
| | | | 1 | 0 | 0 | | |
STEP 13: DIVIDE 100 : 11 = 9 with a remainder of 1
|
| | | 0 | 2 | 0 | 9 | | |
| 1 | 1 | 2 | 3 | 0 | 0 | 2 | 3 |
| | – | 0 | | | | | |
| | | 2 | 3 | | | | |
| | – | 2 | 2 | | | | |
| | | | 1 | 0 | | | |
| | | | – | 0 | | | |
| | | | 1 | 0 | 0 | | |
STEP 14: MULTIPLY 9 · 11 = 99
|
| | | 0 | 2 | 0 | 9 | | |
| 1 | 1 | 2 | 3 | 0 | 0 | 2 | 3 |
| | – | 0 | | | | | |
| | | 2 | 3 | | | | |
| | – | 2 | 2 | | | | |
| | | | 1 | 0 | | | |
| | | | – | 0 | | | |
| | | | 1 | 0 | 0 | | |
| | | | | 9 | 9 | | |
STEP 15: SUBTRACT 100 - 99 = 1
|
| | | 0 | 2 | 0 | 9 | | |
| 1 | 1 | 2 | 3 | 0 | 0 | 2 | 3 |
| | – | 0 | | | | | |
| | | 2 | 3 | | | | |
| | – | 2 | 2 | | | | |
| | | | 1 | 0 | | | |
| | | | – | 0 | | | |
| | | | 1 | 0 | 0 | | |
| | | | – | 9 | 9 | | |
| | | | | | 1 | | |
|
STEP 16: BRING DOWN
|
| | | 0 | 2 | 0 | 9 | | |
| 1 | 1 | 2 | 3 | 0 | 0 | 2 | 3 |
| | – | 0 | | | | | |
| | | 2 | 3 | | | | |
| | – | 2 | 2 | | | | |
| | | | 1 | 0 | | | |
| | | | – | 0 | | | |
| | | | 1 | 0 | 0 | | |
| | | | – | 9 | 9 | | |
| | | | | | 1 | 2 | |
STEP 17: DIVIDE 12 : 11 = 1 with a remainder of 1
|
| | | 0 | 2 | 0 | 9 | 1 | |
| 1 | 1 | 2 | 3 | 0 | 0 | 2 | 3 |
| | – | 0 | | | | | |
| | | 2 | 3 | | | | |
| | – | 2 | 2 | | | | |
| | | | 1 | 0 | | | |
| | | | – | 0 | | | |
| | | | 1 | 0 | 0 | | |
| | | | – | 9 | 9 | | |
| | | | | | 1 | 2 | |
STEP 18: MULTIPLY 1 · 11 = 11
|
| | | 0 | 2 | 0 | 9 | 1 | |
| 1 | 1 | 2 | 3 | 0 | 0 | 2 | 3 |
| | – | 0 | | | | | |
| | | 2 | 3 | | | | |
| | – | 2 | 2 | | | | |
| | | | 1 | 0 | | | |
| | | | – | 0 | | | |
| | | | 1 | 0 | 0 | | |
| | | | – | 9 | 9 | | |
| | | | | | 1 | 2 | |
| | | | | | 1 | 1 | |
STEP 19: SUBTRACT 12 - 11 = 1
|
| | | 0 | 2 | 0 | 9 | 1 | |
| 1 | 1 | 2 | 3 | 0 | 0 | 2 | 3 |
| | – | 0 | | | | | |
| | | 2 | 3 | | | | |
| | – | 2 | 2 | | | | |
| | | | 1 | 0 | | | |
| | | | – | 0 | | | |
| | | | 1 | 0 | 0 | | |
| | | | – | 9 | 9 | | |
| | | | | | 1 | 2 | |
| | | | | – | 1 | 1 | |
| | | | | | | 1 | |
|
STEP 20: BRING DOWN
|
| | | 0 | 2 | 0 | 9 | 1 | |
| 1 | 1 | 2 | 3 | 0 | 0 | 2 | 3 |
| | – | 0 | | | | | |
| | | 2 | 3 | | | | |
| | – | 2 | 2 | | | | |
| | | | 1 | 0 | | | |
| | | | – | 0 | | | |
| | | | 1 | 0 | 0 | | |
| | | | – | 9 | 9 | | |
| | | | | | 1 | 2 | |
| | | | | – | 1 | 1 | |
| | | | | | | 1 | 3 |
STEP 21: DIVIDE 13 : 11 = 1 with a remainder of 2
|
| | | 0 | 2 | 0 | 9 | 1 | 1 |
| 1 | 1 | 2 | 3 | 0 | 0 | 2 | 3 |
| | – | 0 | | | | | |
| | | 2 | 3 | | | | |
| | – | 2 | 2 | | | | |
| | | | 1 | 0 | | | |
| | | | – | 0 | | | |
| | | | 1 | 0 | 0 | | |
| | | | – | 9 | 9 | | |
| | | | | | 1 | 2 | |
| | | | | – | 1 | 1 | |
| | | | | | | 1 | 3 |
STEP 22: MULTIPLY 1 · 11 = 11
|
| | | 0 | 2 | 0 | 9 | 1 | 1 |
| 1 | 1 | 2 | 3 | 0 | 0 | 2 | 3 |
| | – | 0 | | | | | |
| | | 2 | 3 | | | | |
| | – | 2 | 2 | | | | |
| | | | 1 | 0 | | | |
| | | | – | 0 | | | |
| | | | 1 | 0 | 0 | | |
| | | | – | 9 | 9 | | |
| | | | | | 1 | 2 | |
| | | | | – | 1 | 1 | |
| | | | | | | 1 | 3 |
| | | | | | | 1 | 1 |
STEP 23: SUBTRACT 13 - 11 = 2
|
| | | 0 | 2 | 0 | 9 | 1 | 1 |
| 1 | 1 | 2 | 3 | 0 | 0 | 2 | 3 |
| | – | 0 | | | | | |
| | | 2 | 3 | | | | |
| | – | 2 | 2 | | | | |
| | | | 1 | 0 | | | |
| | | | – | 0 | | | |
| | | | 1 | 0 | 0 | | |
| | | | – | 9 | 9 | | |
| | | | | | 1 | 2 | |
| | | | | – | 1 | 1 | |
| | | | | | | 1 | 3 |
| | | | | | – | 1 | 1 |
| | | | | | | | 2 |
STEP 23: SUBTRACT 13 - 11 = 2
|
| | | 0 | 2 | 0 | 9 | 1 | 1 |
| 1 | 1 | 2 | 3 | 0 | 0 | 2 | 3 |
| | – | 0 | | | | | |
| | | 2 | 3 | | | | |
| | – | 2 | 2 | | | | |
| | | | 1 | 0 | | | |
| | | | – | 0 | | | |
| | | | 1 | 0 | 0 | | |
| | | | – | 9 | 9 | | |
| | | | | | 1 | 2 | |
| | | | | – | 1 | 1 | |
| | | | | | | 1 | 3 |
| | | | | | – | 1 | 1 |
| | | | | | | | 2 |
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