A:
Positive:
1 x 2531503455 x 506300697 x 3616433535 x 72328672161 x 1171453347 x 7563510805 x 2342915127 x 16735
Negative:
-1 x -253150345-5 x -50630069-7 x -36164335-35 x -7232867-2161 x -117145-3347 x -75635-10805 x -23429-15127 x -16735
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 253,150,345, 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 | 253,150,345 | |
| -1 | -253,150,345 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 253,150,345.
Example:
1 x 253,150,345 = 253,150,345
and
-1 x -253,150,345 = 253,150,345
Notice both answers equal 253,150,345
With that explanation out of the way, let's continue. Next, we take the number 253,150,345 and divide it by 2:
253,150,345 ÷ 2 = 126,575,172.5
If the quotient is a whole number, then 2 and 126,575,172.5 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 | 253,150,345 | |
| -1 | -253,150,345 |
Now, we try dividing 253,150,345 by 3:
253,150,345 ÷ 3 = 84,383,448.3333
If the quotient is a whole number, then 3 and 84,383,448.3333 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 | 253,150,345 | |
| -1 | -253,150,345 |
Let's try dividing by 4:
253,150,345 ÷ 4 = 63,287,586.25
If the quotient is a whole number, then 4 and 63,287,586.25 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 | 253,150,345 | |
| -1 | 253,150,345 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 2,161 | 3,347 | 10,805 | 15,127 | 16,735 | 23,429 | 75,635 | 117,145 | 7,232,867 | 36,164,335 | 50,630,069 | 253,150,345 |
| -1 | -5 | -7 | -35 | -2,161 | -3,347 | -10,805 | -15,127 | -16,735 | -23,429 | -75,635 | -117,145 | -7,232,867 | -36,164,335 | -50,630,069 | -253,150,345 |
Here are some more numbers to try:
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