A:
Positive:
1 x 1652665255 x 3305330525 x 661066173 x 2263925137 x 1206325365 x 452785661 x 250025685 x 2412651825 x 905573305 x 500053425 x 4825310001 x 16525
Negative:
-1 x -165266525-5 x -33053305-25 x -6610661-73 x -2263925-137 x -1206325-365 x -452785-661 x -250025-685 x -241265-1825 x -90557-3305 x -50005-3425 x -48253-10001 x -16525
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 165,266,525, 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 | 165,266,525 | |
| -1 | -165,266,525 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 165,266,525.
Example:
1 x 165,266,525 = 165,266,525
and
-1 x -165,266,525 = 165,266,525
Notice both answers equal 165,266,525
With that explanation out of the way, let's continue. Next, we take the number 165,266,525 and divide it by 2:
165,266,525 ÷ 2 = 82,633,262.5
If the quotient is a whole number, then 2 and 82,633,262.5 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 | 165,266,525 | |
| -1 | -165,266,525 |
Now, we try dividing 165,266,525 by 3:
165,266,525 ÷ 3 = 55,088,841.6667
If the quotient is a whole number, then 3 and 55,088,841.6667 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 | 165,266,525 | |
| -1 | -165,266,525 |
Let's try dividing by 4:
165,266,525 ÷ 4 = 41,316,631.25
If the quotient is a whole number, then 4 and 41,316,631.25 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 | 165,266,525 | |
| -1 | 165,266,525 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 73 | 137 | 365 | 661 | 685 | 1,825 | 3,305 | 3,425 | 10,001 | 16,525 | 48,253 | 50,005 | 90,557 | 241,265 | 250,025 | 452,785 | 1,206,325 | 2,263,925 | 6,610,661 | 33,053,305 | 165,266,525 |
| -1 | -5 | -25 | -73 | -137 | -365 | -661 | -685 | -1,825 | -3,305 | -3,425 | -10,001 | -16,525 | -48,253 | -50,005 | -90,557 | -241,265 | -250,025 | -452,785 | -1,206,325 | -2,263,925 | -6,610,661 | -33,053,305 | -165,266,525 |
Here are some more numbers to try:
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