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Question
What is the quotient and remainder when $ 66486 $ is divided by $ 31 $ ?
Answer
The quotient is 2144 and the remainder is 22.
Explanation
|
Division Table
|
| | | 0 | 2 | 1 | 4 | 4 |
| 3 | 1 | 6 | 6 | 4 | 8 | 6 |
| | – | 0 | | | | |
| | | 6 | 6 | | | |
| | – | 6 | 2 | | | |
| | | | 4 | 4 | | |
| | | – | 3 | 1 | | |
| | | | 1 | 3 | 8 | |
| | | – | 1 | 2 | 4 | |
| | | | | 1 | 4 | 6 |
| | | | – | 1 | 2 | 4 |
| | | | | | 2 | 2 |
STEP 0: set up a division table
|
| | | | | | | |
| 3 | 1 | 6 | 6 | 4 | 8 | 6 |
STEP 1: DIVIDE 6 : 31 = 0 with a remainder of 6
|
| | | 0 | | | | |
| 3 | 1 | 6 | 6 | 4 | 8 | 6 |
STEP 2: MULTIPLY 0 · 31 = 0
|
| | | 0 | | | | |
| 3 | 1 | 6 | 6 | 4 | 8 | 6 |
| | | 0 | | | | |
STEP 3: SUBTRACT 6 - 0 = 6
|
| | | 0 | | | | |
| 3 | 1 | 6 | 6 | 4 | 8 | 6 |
| | – | 0 | | | | |
| | | 6 | | | | |
|
STEP 4: BRING DOWN
|
| | | 0 | | | | |
| 3 | 1 | 6 | 6 | 4 | 8 | 6 |
| | – | 0 | | | | |
| | | 6 | 6 | | | |
STEP 5: DIVIDE 66 : 31 = 2 with a remainder of 4
|
| | | 0 | 2 | | | |
| 3 | 1 | 6 | 6 | 4 | 8 | 6 |
| | – | 0 | | | | |
| | | 6 | 6 | | | |
STEP 6: MULTIPLY 2 · 31 = 62
|
| | | 0 | 2 | | | |
| 3 | 1 | 6 | 6 | 4 | 8 | 6 |
| | – | 0 | | | | |
| | | 6 | 6 | | | |
| | | 6 | 2 | | | |
STEP 7: SUBTRACT 66 - 62 = 4
|
| | | 0 | 2 | | | |
| 3 | 1 | 6 | 6 | 4 | 8 | 6 |
| | – | 0 | | | | |
| | | 6 | 6 | | | |
| | – | 6 | 2 | | | |
| | | | 4 | | | |
|
STEP 8: BRING DOWN
|
| | | 0 | 2 | | | |
| 3 | 1 | 6 | 6 | 4 | 8 | 6 |
| | – | 0 | | | | |
| | | 6 | 6 | | | |
| | – | 6 | 2 | | | |
| | | | 4 | 4 | | |
STEP 9: DIVIDE 44 : 31 = 1 with a remainder of 13
|
| | | 0 | 2 | 1 | | |
| 3 | 1 | 6 | 6 | 4 | 8 | 6 |
| | – | 0 | | | | |
| | | 6 | 6 | | | |
| | – | 6 | 2 | | | |
| | | | 4 | 4 | | |
STEP 10: MULTIPLY 1 · 31 = 31
|
| | | 0 | 2 | 1 | | |
| 3 | 1 | 6 | 6 | 4 | 8 | 6 |
| | – | 0 | | | | |
| | | 6 | 6 | | | |
| | – | 6 | 2 | | | |
| | | | 4 | 4 | | |
| | | | 3 | 1 | | |
STEP 11: SUBTRACT 44 - 31 = 13
|
| | | 0 | 2 | 1 | | |
| 3 | 1 | 6 | 6 | 4 | 8 | 6 |
| | – | 0 | | | | |
| | | 6 | 6 | | | |
| | – | 6 | 2 | | | |
| | | | 4 | 4 | | |
| | | – | 3 | 1 | | |
| | | | 1 | 3 | | |
|
STEP 12: BRING DOWN
|
| | | 0 | 2 | 1 | | |
| 3 | 1 | 6 | 6 | 4 | 8 | 6 |
| | – | 0 | | | | |
| | | 6 | 6 | | | |
| | – | 6 | 2 | | | |
| | | | 4 | 4 | | |
| | | – | 3 | 1 | | |
| | | | 1 | 3 | 8 | |
STEP 13: DIVIDE 138 : 31 = 4 with a remainder of 14
|
| | | 0 | 2 | 1 | 4 | |
| 3 | 1 | 6 | 6 | 4 | 8 | 6 |
| | – | 0 | | | | |
| | | 6 | 6 | | | |
| | – | 6 | 2 | | | |
| | | | 4 | 4 | | |
| | | – | 3 | 1 | | |
| | | | 1 | 3 | 8 | |
STEP 14: MULTIPLY 4 · 31 = 124
|
| | | 0 | 2 | 1 | 4 | |
| 3 | 1 | 6 | 6 | 4 | 8 | 6 |
| | – | 0 | | | | |
| | | 6 | 6 | | | |
| | – | 6 | 2 | | | |
| | | | 4 | 4 | | |
| | | – | 3 | 1 | | |
| | | | 1 | 3 | 8 | |
| | | | 1 | 2 | 4 | |
STEP 15: SUBTRACT 138 - 124 = 14
|
| | | 0 | 2 | 1 | 4 | |
| 3 | 1 | 6 | 6 | 4 | 8 | 6 |
| | – | 0 | | | | |
| | | 6 | 6 | | | |
| | – | 6 | 2 | | | |
| | | | 4 | 4 | | |
| | | – | 3 | 1 | | |
| | | | 1 | 3 | 8 | |
| | | – | 1 | 2 | 4 | |
| | | | | 1 | 4 | |
|
STEP 16: BRING DOWN
|
| | | 0 | 2 | 1 | 4 | |
| 3 | 1 | 6 | 6 | 4 | 8 | 6 |
| | – | 0 | | | | |
| | | 6 | 6 | | | |
| | – | 6 | 2 | | | |
| | | | 4 | 4 | | |
| | | – | 3 | 1 | | |
| | | | 1 | 3 | 8 | |
| | | – | 1 | 2 | 4 | |
| | | | | 1 | 4 | 6 |
STEP 17: DIVIDE 146 : 31 = 4 with a remainder of 22
|
| | | 0 | 2 | 1 | 4 | 4 |
| 3 | 1 | 6 | 6 | 4 | 8 | 6 |
| | – | 0 | | | | |
| | | 6 | 6 | | | |
| | – | 6 | 2 | | | |
| | | | 4 | 4 | | |
| | | – | 3 | 1 | | |
| | | | 1 | 3 | 8 | |
| | | – | 1 | 2 | 4 | |
| | | | | 1 | 4 | 6 |
STEP 18: MULTIPLY 4 · 31 = 124
|
| | | 0 | 2 | 1 | 4 | 4 |
| 3 | 1 | 6 | 6 | 4 | 8 | 6 |
| | – | 0 | | | | |
| | | 6 | 6 | | | |
| | – | 6 | 2 | | | |
| | | | 4 | 4 | | |
| | | – | 3 | 1 | | |
| | | | 1 | 3 | 8 | |
| | | – | 1 | 2 | 4 | |
| | | | | 1 | 4 | 6 |
| | | | | 1 | 2 | 4 |
STEP 19: SUBTRACT 146 - 124 = 22
|
| | | 0 | 2 | 1 | 4 | 4 |
| 3 | 1 | 6 | 6 | 4 | 8 | 6 |
| | – | 0 | | | | |
| | | 6 | 6 | | | |
| | – | 6 | 2 | | | |
| | | | 4 | 4 | | |
| | | – | 3 | 1 | | |
| | | | 1 | 3 | 8 | |
| | | – | 1 | 2 | 4 | |
| | | | | 1 | 4 | 6 |
| | | | – | 1 | 2 | 4 |
| | | | | | 2 | 2 |
STEP 19: SUBTRACT 146 - 124 = 22
|
| | | 0 | 2 | 1 | 4 | 4 |
| 3 | 1 | 6 | 6 | 4 | 8 | 6 |
| | – | 0 | | | | |
| | | 6 | 6 | | | |
| | – | 6 | 2 | | | |
| | | | 4 | 4 | | |
| | | – | 3 | 1 | | |
| | | | 1 | 3 | 8 | |
| | | – | 1 | 2 | 4 | |
| | | | | 1 | 4 | 6 |
| | | | – | 1 | 2 | 4 |
| | | | | | 2 | 2 |
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