A:
Positive:
1 x 1313023255 x 262604657 x 1875747511 x 1193657525 x 525209335 x 375149555 x 238731577 x 1705225175 x 750299275 x 477463385 x 3410451925 x 68209
Negative:
-1 x -131302325-5 x -26260465-7 x -18757475-11 x -11936575-25 x -5252093-35 x -3751495-55 x -2387315-77 x -1705225-175 x -750299-275 x -477463-385 x -341045-1925 x -68209
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 131,302,325, 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 | 131,302,325 | |
| -1 | -131,302,325 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 131,302,325.
Example:
1 x 131,302,325 = 131,302,325
and
-1 x -131,302,325 = 131,302,325
Notice both answers equal 131,302,325
With that explanation out of the way, let's continue. Next, we take the number 131,302,325 and divide it by 2:
131,302,325 ÷ 2 = 65,651,162.5
If the quotient is a whole number, then 2 and 65,651,162.5 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 | 131,302,325 | |
| -1 | -131,302,325 |
Now, we try dividing 131,302,325 by 3:
131,302,325 ÷ 3 = 43,767,441.6667
If the quotient is a whole number, then 3 and 43,767,441.6667 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 | 131,302,325 | |
| -1 | -131,302,325 |
Let's try dividing by 4:
131,302,325 ÷ 4 = 32,825,581.25
If the quotient is a whole number, then 4 and 32,825,581.25 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 | 131,302,325 | |
| -1 | 131,302,325 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 11 | 25 | 35 | 55 | 77 | 175 | 275 | 385 | 1,925 | 68,209 | 341,045 | 477,463 | 750,299 | 1,705,225 | 2,387,315 | 3,751,495 | 5,252,093 | 11,936,575 | 18,757,475 | 26,260,465 | 131,302,325 |
| -1 | -5 | -7 | -11 | -25 | -35 | -55 | -77 | -175 | -275 | -385 | -1,925 | -68,209 | -341,045 | -477,463 | -750,299 | -1,705,225 | -2,387,315 | -3,751,495 | -5,252,093 | -11,936,575 | -18,757,475 | -26,260,465 | -131,302,325 |
Here are some more numbers to try:
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