A:
Positive:
1 x 31172755 x 6234557 x 44532525 x 12469135 x 8906547 x 66325175 x 17813235 x 13265329 x 9475379 x 82251175 x 26531645 x 1895
Negative:
-1 x -3117275-5 x -623455-7 x -445325-25 x -124691-35 x -89065-47 x -66325-175 x -17813-235 x -13265-329 x -9475-379 x -8225-1175 x -2653-1645 x -1895
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 3,117,275, 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 | 3,117,275 | |
| -1 | -3,117,275 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 3,117,275.
Example:
1 x 3,117,275 = 3,117,275
and
-1 x -3,117,275 = 3,117,275
Notice both answers equal 3,117,275
With that explanation out of the way, let's continue. Next, we take the number 3,117,275 and divide it by 2:
3,117,275 ÷ 2 = 1,558,637.5
If the quotient is a whole number, then 2 and 1,558,637.5 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 | 3,117,275 | |
| -1 | -3,117,275 |
Now, we try dividing 3,117,275 by 3:
3,117,275 ÷ 3 = 1,039,091.6667
If the quotient is a whole number, then 3 and 1,039,091.6667 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 | 3,117,275 | |
| -1 | -3,117,275 |
Let's try dividing by 4:
3,117,275 ÷ 4 = 779,318.75
If the quotient is a whole number, then 4 and 779,318.75 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 | 3,117,275 | |
| -1 | 3,117,275 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 25 | 35 | 47 | 175 | 235 | 329 | 379 | 1,175 | 1,645 | 1,895 | 2,653 | 8,225 | 9,475 | 13,265 | 17,813 | 66,325 | 89,065 | 124,691 | 445,325 | 623,455 | 3,117,275 |
| -1 | -5 | -7 | -25 | -35 | -47 | -175 | -235 | -329 | -379 | -1,175 | -1,645 | -1,895 | -2,653 | -8,225 | -9,475 | -13,265 | -17,813 | -66,325 | -89,065 | -124,691 | -445,325 | -623,455 | -3,117,275 |
Here are some more numbers to try:
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