A:
Positive:
1 x 7512055 x 1502417 x 10731513 x 5778535 x 2146365 x 1155791 x 8255127 x 5915169 x 4445455 x 1651635 x 1183845 x 889
Negative:
-1 x -751205-5 x -150241-7 x -107315-13 x -57785-35 x -21463-65 x -11557-91 x -8255-127 x -5915-169 x -4445-455 x -1651-635 x -1183-845 x -889
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 751,205, 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 | 751,205 | |
| -1 | -751,205 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 751,205.
Example:
1 x 751,205 = 751,205
and
-1 x -751,205 = 751,205
Notice both answers equal 751,205
With that explanation out of the way, let's continue. Next, we take the number 751,205 and divide it by 2:
751,205 ÷ 2 = 375,602.5
If the quotient is a whole number, then 2 and 375,602.5 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 | 751,205 | |
| -1 | -751,205 |
Now, we try dividing 751,205 by 3:
751,205 ÷ 3 = 250,401.6667
If the quotient is a whole number, then 3 and 250,401.6667 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 | 751,205 | |
| -1 | -751,205 |
Let's try dividing by 4:
751,205 ÷ 4 = 187,801.25
If the quotient is a whole number, then 4 and 187,801.25 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 | 751,205 | |
| -1 | 751,205 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 13 | 35 | 65 | 91 | 127 | 169 | 455 | 635 | 845 | 889 | 1,183 | 1,651 | 4,445 | 5,915 | 8,255 | 11,557 | 21,463 | 57,785 | 107,315 | 150,241 | 751,205 |
| -1 | -5 | -7 | -13 | -35 | -65 | -91 | -127 | -169 | -455 | -635 | -845 | -889 | -1,183 | -1,651 | -4,445 | -5,915 | -8,255 | -11,557 | -21,463 | -57,785 | -107,315 | -150,241 | -751,205 |
Here are some more numbers to try:
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