A:
Positive:
1 x 1553065255 x 3106130511 x 1411877525 x 621226155 x 2823755121 x 1283525275 x 564751605 x 2567053025 x 51341
Negative:
-1 x -155306525-5 x -31061305-11 x -14118775-25 x -6212261-55 x -2823755-121 x -1283525-275 x -564751-605 x -256705-3025 x -51341
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 155,306,525, 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 | 155,306,525 | |
| -1 | -155,306,525 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 155,306,525.
Example:
1 x 155,306,525 = 155,306,525
and
-1 x -155,306,525 = 155,306,525
Notice both answers equal 155,306,525
With that explanation out of the way, let's continue. Next, we take the number 155,306,525 and divide it by 2:
155,306,525 ÷ 2 = 77,653,262.5
If the quotient is a whole number, then 2 and 77,653,262.5 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 | 155,306,525 | |
| -1 | -155,306,525 |
Now, we try dividing 155,306,525 by 3:
155,306,525 ÷ 3 = 51,768,841.6667
If the quotient is a whole number, then 3 and 51,768,841.6667 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 | 155,306,525 | |
| -1 | -155,306,525 |
Let's try dividing by 4:
155,306,525 ÷ 4 = 38,826,631.25
If the quotient is a whole number, then 4 and 38,826,631.25 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 | 155,306,525 | |
| -1 | 155,306,525 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 25 | 55 | 121 | 275 | 605 | 3,025 | 51,341 | 256,705 | 564,751 | 1,283,525 | 2,823,755 | 6,212,261 | 14,118,775 | 31,061,305 | 155,306,525 |
| -1 | -5 | -11 | -25 | -55 | -121 | -275 | -605 | -3,025 | -51,341 | -256,705 | -564,751 | -1,283,525 | -2,823,755 | -6,212,261 | -14,118,775 | -31,061,305 | -155,306,525 |
Here are some more numbers to try:
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