A:
Positive:
1 x 890235723 x 38705953 x 16796967 x 132871109 x 816731219 x 73031541 x 57772507 x 3551
Negative:
-1 x -8902357-23 x -387059-53 x -167969-67 x -132871-109 x -81673-1219 x -7303-1541 x -5777-2507 x -3551
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 8,902,357, 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 | 8,902,357 | |
| -1 | -8,902,357 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 8,902,357.
Example:
1 x 8,902,357 = 8,902,357
and
-1 x -8,902,357 = 8,902,357
Notice both answers equal 8,902,357
With that explanation out of the way, let's continue. Next, we take the number 8,902,357 and divide it by 2:
8,902,357 ÷ 2 = 4,451,178.5
If the quotient is a whole number, then 2 and 4,451,178.5 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 | 8,902,357 | |
| -1 | -8,902,357 |
Now, we try dividing 8,902,357 by 3:
8,902,357 ÷ 3 = 2,967,452.3333
If the quotient is a whole number, then 3 and 2,967,452.3333 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 | 8,902,357 | |
| -1 | -8,902,357 |
Let's try dividing by 4:
8,902,357 ÷ 4 = 2,225,589.25
If the quotient is a whole number, then 4 and 2,225,589.25 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 | 8,902,357 | |
| -1 | 8,902,357 |
If you did it right, you will end up with this table:
| 1 | 23 | 53 | 67 | 109 | 1,219 | 1,541 | 2,507 | 3,551 | 5,777 | 7,303 | 81,673 | 132,871 | 167,969 | 387,059 | 8,902,357 |
| -1 | -23 | -53 | -67 | -109 | -1,219 | -1,541 | -2,507 | -3,551 | -5,777 | -7,303 | -81,673 | -132,871 | -167,969 | -387,059 | -8,902,357 |
Here are some more numbers to try:
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