A:
Positive:
1 x 2861329911 x 260120913 x 220102373 x 391963143 x 200093803 x 35633949 x 301512741 x 10439
Negative:
-1 x -28613299-11 x -2601209-13 x -2201023-73 x -391963-143 x -200093-803 x -35633-949 x -30151-2741 x -10439
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 28,613,299, 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 | 28,613,299 | |
| -1 | -28,613,299 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 28,613,299.
Example:
1 x 28,613,299 = 28,613,299
and
-1 x -28,613,299 = 28,613,299
Notice both answers equal 28,613,299
With that explanation out of the way, let's continue. Next, we take the number 28,613,299 and divide it by 2:
28,613,299 ÷ 2 = 14,306,649.5
If the quotient is a whole number, then 2 and 14,306,649.5 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 | 28,613,299 | |
| -1 | -28,613,299 |
Now, we try dividing 28,613,299 by 3:
28,613,299 ÷ 3 = 9,537,766.3333
If the quotient is a whole number, then 3 and 9,537,766.3333 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 | 28,613,299 | |
| -1 | -28,613,299 |
Let's try dividing by 4:
28,613,299 ÷ 4 = 7,153,324.75
If the quotient is a whole number, then 4 and 7,153,324.75 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 | 28,613,299 | |
| -1 | 28,613,299 |
If you did it right, you will end up with this table:
| 1 | 11 | 13 | 73 | 143 | 803 | 949 | 2,741 | 10,439 | 30,151 | 35,633 | 200,093 | 391,963 | 2,201,023 | 2,601,209 | 28,613,299 |
| -1 | -11 | -13 | -73 | -143 | -803 | -949 | -2,741 | -10,439 | -30,151 | -35,633 | -200,093 | -391,963 | -2,201,023 | -2,601,209 | -28,613,299 |
Here are some more numbers to try:
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