A:
Positive:
1 x 1530255255 x 3060510519 x 805397525 x 612102137 x 413582595 x 1610795185 x 827165475 x 322159703 x 217675925 x 1654333515 x 435358707 x 17575
Negative:
-1 x -153025525-5 x -30605105-19 x -8053975-25 x -6121021-37 x -4135825-95 x -1610795-185 x -827165-475 x -322159-703 x -217675-925 x -165433-3515 x -43535-8707 x -17575
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 153,025,525, 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 | 153,025,525 | |
| -1 | -153,025,525 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 153,025,525.
Example:
1 x 153,025,525 = 153,025,525
and
-1 x -153,025,525 = 153,025,525
Notice both answers equal 153,025,525
With that explanation out of the way, let's continue. Next, we take the number 153,025,525 and divide it by 2:
153,025,525 ÷ 2 = 76,512,762.5
If the quotient is a whole number, then 2 and 76,512,762.5 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 | 153,025,525 | |
| -1 | -153,025,525 |
Now, we try dividing 153,025,525 by 3:
153,025,525 ÷ 3 = 51,008,508.3333
If the quotient is a whole number, then 3 and 51,008,508.3333 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 | 153,025,525 | |
| -1 | -153,025,525 |
Let's try dividing by 4:
153,025,525 ÷ 4 = 38,256,381.25
If the quotient is a whole number, then 4 and 38,256,381.25 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 | 153,025,525 | |
| -1 | 153,025,525 |
If you did it right, you will end up with this table:
| 1 | 5 | 19 | 25 | 37 | 95 | 185 | 475 | 703 | 925 | 3,515 | 8,707 | 17,575 | 43,535 | 165,433 | 217,675 | 322,159 | 827,165 | 1,610,795 | 4,135,825 | 6,121,021 | 8,053,975 | 30,605,105 | 153,025,525 |
| -1 | -5 | -19 | -25 | -37 | -95 | -185 | -475 | -703 | -925 | -3,515 | -8,707 | -17,575 | -43,535 | -165,433 | -217,675 | -322,159 | -827,165 | -1,610,795 | -4,135,825 | -6,121,021 | -8,053,975 | -30,605,105 | -153,025,525 |
Here are some more numbers to try:
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