A:
Positive:
1 x 16054825723 x 698035989 x 1803913107 x 1500451733 x 2190292047 x 784312461 x 652379523 x 16859
Negative:
-1 x -160548257-23 x -6980359-89 x -1803913-107 x -1500451-733 x -219029-2047 x -78431-2461 x -65237-9523 x -16859
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 160,548,257, 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 | 160,548,257 | |
| -1 | -160,548,257 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 160,548,257.
Example:
1 x 160,548,257 = 160,548,257
and
-1 x -160,548,257 = 160,548,257
Notice both answers equal 160,548,257
With that explanation out of the way, let's continue. Next, we take the number 160,548,257 and divide it by 2:
160,548,257 ÷ 2 = 80,274,128.5
If the quotient is a whole number, then 2 and 80,274,128.5 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 | 160,548,257 | |
| -1 | -160,548,257 |
Now, we try dividing 160,548,257 by 3:
160,548,257 ÷ 3 = 53,516,085.6667
If the quotient is a whole number, then 3 and 53,516,085.6667 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 | 160,548,257 | |
| -1 | -160,548,257 |
Let's try dividing by 4:
160,548,257 ÷ 4 = 40,137,064.25
If the quotient is a whole number, then 4 and 40,137,064.25 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 | 160,548,257 | |
| -1 | 160,548,257 |
If you did it right, you will end up with this table:
| 1 | 23 | 89 | 107 | 733 | 2,047 | 2,461 | 9,523 | 16,859 | 65,237 | 78,431 | 219,029 | 1,500,451 | 1,803,913 | 6,980,359 | 160,548,257 |
| -1 | -23 | -89 | -107 | -733 | -2,047 | -2,461 | -9,523 | -16,859 | -65,237 | -78,431 | -219,029 | -1,500,451 | -1,803,913 | -6,980,359 | -160,548,257 |
Here are some more numbers to try:
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