A:
Positive:
1 x 1032165255 x 2064330523 x 448767525 x 412866173 x 1413925115 x 897535365 x 282785575 x 1795071679 x 614751825 x 565572459 x 419758395 x 12295
Negative:
-1 x -103216525-5 x -20643305-23 x -4487675-25 x -4128661-73 x -1413925-115 x -897535-365 x -282785-575 x -179507-1679 x -61475-1825 x -56557-2459 x -41975-8395 x -12295
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 103,216,525, 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 | 103,216,525 | |
| -1 | -103,216,525 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 103,216,525.
Example:
1 x 103,216,525 = 103,216,525
and
-1 x -103,216,525 = 103,216,525
Notice both answers equal 103,216,525
With that explanation out of the way, let's continue. Next, we take the number 103,216,525 and divide it by 2:
103,216,525 ÷ 2 = 51,608,262.5
If the quotient is a whole number, then 2 and 51,608,262.5 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 | 103,216,525 | |
| -1 | -103,216,525 |
Now, we try dividing 103,216,525 by 3:
103,216,525 ÷ 3 = 34,405,508.3333
If the quotient is a whole number, then 3 and 34,405,508.3333 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 | 103,216,525 | |
| -1 | -103,216,525 |
Let's try dividing by 4:
103,216,525 ÷ 4 = 25,804,131.25
If the quotient is a whole number, then 4 and 25,804,131.25 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 | 103,216,525 | |
| -1 | 103,216,525 |
If you did it right, you will end up with this table:
| 1 | 5 | 23 | 25 | 73 | 115 | 365 | 575 | 1,679 | 1,825 | 2,459 | 8,395 | 12,295 | 41,975 | 56,557 | 61,475 | 179,507 | 282,785 | 897,535 | 1,413,925 | 4,128,661 | 4,487,675 | 20,643,305 | 103,216,525 |
| -1 | -5 | -23 | -25 | -73 | -115 | -365 | -575 | -1,679 | -1,825 | -2,459 | -8,395 | -12,295 | -41,975 | -56,557 | -61,475 | -179,507 | -282,785 | -897,535 | -1,413,925 | -4,128,661 | -4,487,675 | -20,643,305 | -103,216,525 |
Here are some more numbers to try:
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