A:
Positive:
1 x 863527497 x 1233610729 x 297768149 x 176230167 x 1288847203 x 425383469 x 184121907 x 952071421 x 607691943 x 444433283 x 263036349 x 13601
Negative:
-1 x -86352749-7 x -12336107-29 x -2977681-49 x -1762301-67 x -1288847-203 x -425383-469 x -184121-907 x -95207-1421 x -60769-1943 x -44443-3283 x -26303-6349 x -13601
Unfortunately, there's not simple formula to identifying all of the factors of a number and it can be a tedious process when trying to identify the divisors of larger numbers. To find the factor combinations of the number 86,352,749, it is easier to work with a table - it's called factoring from the outside in.
We start by creating a table and writing 1 on the left side and then the number we're trying to find the factors for on the right side in a table. Then, below that, write the numbers as a negative as well.
| 1 | 86,352,749 | |
| -1 | -86,352,749 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 86,352,749.
Example:
1 x 86,352,749 = 86,352,749
and
-1 x -86,352,749 = 86,352,749
Notice both answers equal 86,352,749
With that explanation out of the way, let's continue. Next, we take the number 86,352,749 and divide it by 2:
86,352,749 ÷ 2 = 43,176,374.5
If the quotient is a whole number, then 2 and 43,176,374.5 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 86,352,749 | |
| -1 | -86,352,749 |
Now, we try dividing 86,352,749 by 3:
86,352,749 ÷ 3 = 28,784,249.6667
If the quotient is a whole number, then 3 and 28,784,249.6667 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 86,352,749 | |
| -1 | -86,352,749 |
Let's try dividing by 4:
86,352,749 ÷ 4 = 21,588,187.25
If the quotient is a whole number, then 4 and 21,588,187.25 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 86,352,749 | |
| -1 | 86,352,749 |
If you did it right, you will end up with this table:
| 1 | 7 | 29 | 49 | 67 | 203 | 469 | 907 | 1,421 | 1,943 | 3,283 | 6,349 | 13,601 | 26,303 | 44,443 | 60,769 | 95,207 | 184,121 | 425,383 | 1,288,847 | 1,762,301 | 2,977,681 | 12,336,107 | 86,352,749 |
| -1 | -7 | -29 | -49 | -67 | -203 | -469 | -907 | -1,421 | -1,943 | -3,283 | -6,349 | -13,601 | -26,303 | -44,443 | -60,769 | -95,207 | -184,121 | -425,383 | -1,288,847 | -1,762,301 | -2,977,681 | -12,336,107 | -86,352,749 |
Here are some more numbers to try:
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