A:
Positive:
1 x 51380755 x 102761519 x 27042525 x 20552329 x 17717595 x 54085145 x 35435373 x 13775475 x 10817551 x 9325725 x 70871865 x 2755
Negative:
-1 x -5138075-5 x -1027615-19 x -270425-25 x -205523-29 x -177175-95 x -54085-145 x -35435-373 x -13775-475 x -10817-551 x -9325-725 x -7087-1865 x -2755
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 5,138,075, 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 | 5,138,075 | |
| -1 | -5,138,075 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 5,138,075.
Example:
1 x 5,138,075 = 5,138,075
and
-1 x -5,138,075 = 5,138,075
Notice both answers equal 5,138,075
With that explanation out of the way, let's continue. Next, we take the number 5,138,075 and divide it by 2:
5,138,075 ÷ 2 = 2,569,037.5
If the quotient is a whole number, then 2 and 2,569,037.5 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 | 5,138,075 | |
| -1 | -5,138,075 |
Now, we try dividing 5,138,075 by 3:
5,138,075 ÷ 3 = 1,712,691.6667
If the quotient is a whole number, then 3 and 1,712,691.6667 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 | 5,138,075 | |
| -1 | -5,138,075 |
Let's try dividing by 4:
5,138,075 ÷ 4 = 1,284,518.75
If the quotient is a whole number, then 4 and 1,284,518.75 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 | 5,138,075 | |
| -1 | 5,138,075 |
If you did it right, you will end up with this table:
| 1 | 5 | 19 | 25 | 29 | 95 | 145 | 373 | 475 | 551 | 725 | 1,865 | 2,755 | 7,087 | 9,325 | 10,817 | 13,775 | 35,435 | 54,085 | 177,175 | 205,523 | 270,425 | 1,027,615 | 5,138,075 |
| -1 | -5 | -19 | -25 | -29 | -95 | -145 | -373 | -475 | -551 | -725 | -1,865 | -2,755 | -7,087 | -9,325 | -10,817 | -13,775 | -35,435 | -54,085 | -177,175 | -205,523 | -270,425 | -1,027,615 | -5,138,075 |
Here are some more numbers to try:
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