A:
Positive:
1 x 153144537 x 218777911 x 139222359 x 25956777 x 198889413 x 37081649 x 235973371 x 4543
Negative:
-1 x -15314453-7 x -2187779-11 x -1392223-59 x -259567-77 x -198889-413 x -37081-649 x -23597-3371 x -4543
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 15,314,453, 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 | 15,314,453 | |
| -1 | -15,314,453 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 15,314,453.
Example:
1 x 15,314,453 = 15,314,453
and
-1 x -15,314,453 = 15,314,453
Notice both answers equal 15,314,453
With that explanation out of the way, let's continue. Next, we take the number 15,314,453 and divide it by 2:
15,314,453 ÷ 2 = 7,657,226.5
If the quotient is a whole number, then 2 and 7,657,226.5 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 | 15,314,453 | |
| -1 | -15,314,453 |
Now, we try dividing 15,314,453 by 3:
15,314,453 ÷ 3 = 5,104,817.6667
If the quotient is a whole number, then 3 and 5,104,817.6667 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 | 15,314,453 | |
| -1 | -15,314,453 |
Let's try dividing by 4:
15,314,453 ÷ 4 = 3,828,613.25
If the quotient is a whole number, then 4 and 3,828,613.25 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 | 15,314,453 | |
| -1 | 15,314,453 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 59 | 77 | 413 | 649 | 3,371 | 4,543 | 23,597 | 37,081 | 198,889 | 259,567 | 1,392,223 | 2,187,779 | 15,314,453 |
| -1 | -7 | -11 | -59 | -77 | -413 | -649 | -3,371 | -4,543 | -23,597 | -37,081 | -198,889 | -259,567 | -1,392,223 | -2,187,779 | -15,314,453 |
Here are some more numbers to try:
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