A:
Positive:
1 x 434316617 x 620452313 x 334089791 x 477271277 x 1567931723 x 252071939 x 223993601 x 12061
Negative:
-1 x -43431661-7 x -6204523-13 x -3340897-91 x -477271-277 x -156793-1723 x -25207-1939 x -22399-3601 x -12061
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 43,431,661, 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 | 43,431,661 | |
| -1 | -43,431,661 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 43,431,661.
Example:
1 x 43,431,661 = 43,431,661
and
-1 x -43,431,661 = 43,431,661
Notice both answers equal 43,431,661
With that explanation out of the way, let's continue. Next, we take the number 43,431,661 and divide it by 2:
43,431,661 ÷ 2 = 21,715,830.5
If the quotient is a whole number, then 2 and 21,715,830.5 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 | 43,431,661 | |
| -1 | -43,431,661 |
Now, we try dividing 43,431,661 by 3:
43,431,661 ÷ 3 = 14,477,220.3333
If the quotient is a whole number, then 3 and 14,477,220.3333 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 | 43,431,661 | |
| -1 | -43,431,661 |
Let's try dividing by 4:
43,431,661 ÷ 4 = 10,857,915.25
If the quotient is a whole number, then 4 and 10,857,915.25 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 | 43,431,661 | |
| -1 | 43,431,661 |
If you did it right, you will end up with this table:
| 1 | 7 | 13 | 91 | 277 | 1,723 | 1,939 | 3,601 | 12,061 | 22,399 | 25,207 | 156,793 | 477,271 | 3,340,897 | 6,204,523 | 43,431,661 |
| -1 | -7 | -13 | -91 | -277 | -1,723 | -1,939 | -3,601 | -12,061 | -22,399 | -25,207 | -156,793 | -477,271 | -3,340,897 | -6,204,523 | -43,431,661 |
Here are some more numbers to try:
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