A:
Positive:
1 x 8920816941 x 217580953 x 168317361 x 1462429673 x 1325532173 x 410532501 x 356693233 x 27593
Negative:
-1 x -89208169-41 x -2175809-53 x -1683173-61 x -1462429-673 x -132553-2173 x -41053-2501 x -35669-3233 x -27593
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 89,208,169, 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 | 89,208,169 | |
| -1 | -89,208,169 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 89,208,169.
Example:
1 x 89,208,169 = 89,208,169
and
-1 x -89,208,169 = 89,208,169
Notice both answers equal 89,208,169
With that explanation out of the way, let's continue. Next, we take the number 89,208,169 and divide it by 2:
89,208,169 ÷ 2 = 44,604,084.5
If the quotient is a whole number, then 2 and 44,604,084.5 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 | 89,208,169 | |
| -1 | -89,208,169 |
Now, we try dividing 89,208,169 by 3:
89,208,169 ÷ 3 = 29,736,056.3333
If the quotient is a whole number, then 3 and 29,736,056.3333 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 | 89,208,169 | |
| -1 | -89,208,169 |
Let's try dividing by 4:
89,208,169 ÷ 4 = 22,302,042.25
If the quotient is a whole number, then 4 and 22,302,042.25 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 | 89,208,169 | |
| -1 | 89,208,169 |
If you did it right, you will end up with this table:
| 1 | 41 | 53 | 61 | 673 | 2,173 | 2,501 | 3,233 | 27,593 | 35,669 | 41,053 | 132,553 | 1,462,429 | 1,683,173 | 2,175,809 | 89,208,169 |
| -1 | -41 | -53 | -61 | -673 | -2,173 | -2,501 | -3,233 | -27,593 | -35,669 | -41,053 | -132,553 | -1,462,429 | -1,683,173 | -2,175,809 | -89,208,169 |
Here are some more numbers to try:
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