A:
Positive:
1 x 3074755 x 614957 x 4392525 x 1229935 x 878549 x 6275175 x 1757245 x 1255251 x 1225
Negative:
-1 x -307475-5 x -61495-7 x -43925-25 x -12299-35 x -8785-49 x -6275-175 x -1757-245 x -1255-251 x -1225
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 307,475, 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 | 307,475 | |
| -1 | -307,475 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 307,475.
Example:
1 x 307,475 = 307,475
and
-1 x -307,475 = 307,475
Notice both answers equal 307,475
With that explanation out of the way, let's continue. Next, we take the number 307,475 and divide it by 2:
307,475 ÷ 2 = 153,737.5
If the quotient is a whole number, then 2 and 153,737.5 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 | 307,475 | |
| -1 | -307,475 |
Now, we try dividing 307,475 by 3:
307,475 ÷ 3 = 102,491.6667
If the quotient is a whole number, then 3 and 102,491.6667 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 | 307,475 | |
| -1 | -307,475 |
Let's try dividing by 4:
307,475 ÷ 4 = 76,868.75
If the quotient is a whole number, then 4 and 76,868.75 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 | 307,475 | |
| -1 | 307,475 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 25 | 35 | 49 | 175 | 245 | 251 | 1,225 | 1,255 | 1,757 | 6,275 | 8,785 | 12,299 | 43,925 | 61,495 | 307,475 |
| -1 | -5 | -7 | -25 | -35 | -49 | -175 | -245 | -251 | -1,225 | -1,255 | -1,757 | -6,275 | -8,785 | -12,299 | -43,925 | -61,495 | -307,475 |
Here are some more numbers to try:
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