A:
Positive:
1 x 287670955 x 57534197 x 410958535 x 821917431 x 667451907 x 150852155 x 133493017 x 9535
Negative:
-1 x -28767095-5 x -5753419-7 x -4109585-35 x -821917-431 x -66745-1907 x -15085-2155 x -13349-3017 x -9535
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 28,767,095, 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 | 28,767,095 | |
| -1 | -28,767,095 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 28,767,095.
Example:
1 x 28,767,095 = 28,767,095
and
-1 x -28,767,095 = 28,767,095
Notice both answers equal 28,767,095
With that explanation out of the way, let's continue. Next, we take the number 28,767,095 and divide it by 2:
28,767,095 ÷ 2 = 14,383,547.5
If the quotient is a whole number, then 2 and 14,383,547.5 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 | 28,767,095 | |
| -1 | -28,767,095 |
Now, we try dividing 28,767,095 by 3:
28,767,095 ÷ 3 = 9,589,031.6667
If the quotient is a whole number, then 3 and 9,589,031.6667 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 | 28,767,095 | |
| -1 | -28,767,095 |
Let's try dividing by 4:
28,767,095 ÷ 4 = 7,191,773.75
If the quotient is a whole number, then 4 and 7,191,773.75 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 | 28,767,095 | |
| -1 | 28,767,095 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 431 | 1,907 | 2,155 | 3,017 | 9,535 | 13,349 | 15,085 | 66,745 | 821,917 | 4,109,585 | 5,753,419 | 28,767,095 |
| -1 | -5 | -7 | -35 | -431 | -1,907 | -2,155 | -3,017 | -9,535 | -13,349 | -15,085 | -66,745 | -821,917 | -4,109,585 | -5,753,419 | -28,767,095 |
Here are some more numbers to try:
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