A:
Positive:
1 x 26052843713 x 2004064919 x 13712023149 x 1748513247 x 10547711937 x 1345012831 x 920277079 x 36803
Negative:
-1 x -260528437-13 x -20040649-19 x -13712023-149 x -1748513-247 x -1054771-1937 x -134501-2831 x -92027-7079 x -36803
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 260,528,437, 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 | 260,528,437 | |
| -1 | -260,528,437 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 260,528,437.
Example:
1 x 260,528,437 = 260,528,437
and
-1 x -260,528,437 = 260,528,437
Notice both answers equal 260,528,437
With that explanation out of the way, let's continue. Next, we take the number 260,528,437 and divide it by 2:
260,528,437 ÷ 2 = 130,264,218.5
If the quotient is a whole number, then 2 and 130,264,218.5 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 | 260,528,437 | |
| -1 | -260,528,437 |
Now, we try dividing 260,528,437 by 3:
260,528,437 ÷ 3 = 86,842,812.3333
If the quotient is a whole number, then 3 and 86,842,812.3333 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 | 260,528,437 | |
| -1 | -260,528,437 |
Let's try dividing by 4:
260,528,437 ÷ 4 = 65,132,109.25
If the quotient is a whole number, then 4 and 65,132,109.25 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 | 260,528,437 | |
| -1 | 260,528,437 |
If you did it right, you will end up with this table:
| 1 | 13 | 19 | 149 | 247 | 1,937 | 2,831 | 7,079 | 36,803 | 92,027 | 134,501 | 1,054,771 | 1,748,513 | 13,712,023 | 20,040,649 | 260,528,437 |
| -1 | -13 | -19 | -149 | -247 | -1,937 | -2,831 | -7,079 | -36,803 | -92,027 | -134,501 | -1,054,771 | -1,748,513 | -13,712,023 | -20,040,649 | -260,528,437 |
Here are some more numbers to try:
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