A:
Positive:
1 x 68570055 x 137140119 x 36089589 x 7704595 x 72179445 x 15409811 x 84551691 x 4055
Negative:
-1 x -6857005-5 x -1371401-19 x -360895-89 x -77045-95 x -72179-445 x -15409-811 x -8455-1691 x -4055
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 6,857,005, 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 | 6,857,005 | |
| -1 | -6,857,005 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 6,857,005.
Example:
1 x 6,857,005 = 6,857,005
and
-1 x -6,857,005 = 6,857,005
Notice both answers equal 6,857,005
With that explanation out of the way, let's continue. Next, we take the number 6,857,005 and divide it by 2:
6,857,005 ÷ 2 = 3,428,502.5
If the quotient is a whole number, then 2 and 3,428,502.5 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 | 6,857,005 | |
| -1 | -6,857,005 |
Now, we try dividing 6,857,005 by 3:
6,857,005 ÷ 3 = 2,285,668.3333
If the quotient is a whole number, then 3 and 2,285,668.3333 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 | 6,857,005 | |
| -1 | -6,857,005 |
Let's try dividing by 4:
6,857,005 ÷ 4 = 1,714,251.25
If the quotient is a whole number, then 4 and 1,714,251.25 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 | 6,857,005 | |
| -1 | 6,857,005 |
If you did it right, you will end up with this table:
| 1 | 5 | 19 | 89 | 95 | 445 | 811 | 1,691 | 4,055 | 8,455 | 15,409 | 72,179 | 77,045 | 360,895 | 1,371,401 | 6,857,005 |
| -1 | -5 | -19 | -89 | -95 | -445 | -811 | -1,691 | -4,055 | -8,455 | -15,409 | -72,179 | -77,045 | -360,895 | -1,371,401 | -6,857,005 |
Here are some more numbers to try:
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