A:
Positive:
1 x 74443855 x 148887713 x 57264517 x 43790565 x 11452985 x 87581221 x 336851105 x 6737
Negative:
-1 x -7444385-5 x -1488877-13 x -572645-17 x -437905-65 x -114529-85 x -87581-221 x -33685-1105 x -6737
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 7,444,385, 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 | 7,444,385 | |
| -1 | -7,444,385 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 7,444,385.
Example:
1 x 7,444,385 = 7,444,385
and
-1 x -7,444,385 = 7,444,385
Notice both answers equal 7,444,385
With that explanation out of the way, let's continue. Next, we take the number 7,444,385 and divide it by 2:
7,444,385 ÷ 2 = 3,722,192.5
If the quotient is a whole number, then 2 and 3,722,192.5 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 | 7,444,385 | |
| -1 | -7,444,385 |
Now, we try dividing 7,444,385 by 3:
7,444,385 ÷ 3 = 2,481,461.6667
If the quotient is a whole number, then 3 and 2,481,461.6667 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 | 7,444,385 | |
| -1 | -7,444,385 |
Let's try dividing by 4:
7,444,385 ÷ 4 = 1,861,096.25
If the quotient is a whole number, then 4 and 1,861,096.25 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 | 7,444,385 | |
| -1 | 7,444,385 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 17 | 65 | 85 | 221 | 1,105 | 6,737 | 33,685 | 87,581 | 114,529 | 437,905 | 572,645 | 1,488,877 | 7,444,385 |
| -1 | -5 | -13 | -17 | -65 | -85 | -221 | -1,105 | -6,737 | -33,685 | -87,581 | -114,529 | -437,905 | -572,645 | -1,488,877 | -7,444,385 |
Here are some more numbers to try:
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