A:
Positive:
1 x 180481755 x 360963525 x 72192743 x 419725103 x 175225163 x 110725215 x 83945515 x 35045815 x 221451075 x 167892575 x 70094075 x 4429
Negative:
-1 x -18048175-5 x -3609635-25 x -721927-43 x -419725-103 x -175225-163 x -110725-215 x -83945-515 x -35045-815 x -22145-1075 x -16789-2575 x -7009-4075 x -4429
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 18,048,175, 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 | 18,048,175 | |
| -1 | -18,048,175 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 18,048,175.
Example:
1 x 18,048,175 = 18,048,175
and
-1 x -18,048,175 = 18,048,175
Notice both answers equal 18,048,175
With that explanation out of the way, let's continue. Next, we take the number 18,048,175 and divide it by 2:
18,048,175 ÷ 2 = 9,024,087.5
If the quotient is a whole number, then 2 and 9,024,087.5 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 | 18,048,175 | |
| -1 | -18,048,175 |
Now, we try dividing 18,048,175 by 3:
18,048,175 ÷ 3 = 6,016,058.3333
If the quotient is a whole number, then 3 and 6,016,058.3333 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 | 18,048,175 | |
| -1 | -18,048,175 |
Let's try dividing by 4:
18,048,175 ÷ 4 = 4,512,043.75
If the quotient is a whole number, then 4 and 4,512,043.75 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 | 18,048,175 | |
| -1 | 18,048,175 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 43 | 103 | 163 | 215 | 515 | 815 | 1,075 | 2,575 | 4,075 | 4,429 | 7,009 | 16,789 | 22,145 | 35,045 | 83,945 | 110,725 | 175,225 | 419,725 | 721,927 | 3,609,635 | 18,048,175 |
| -1 | -5 | -25 | -43 | -103 | -163 | -215 | -515 | -815 | -1,075 | -2,575 | -4,075 | -4,429 | -7,009 | -16,789 | -22,145 | -35,045 | -83,945 | -110,725 | -175,225 | -419,725 | -721,927 | -3,609,635 | -18,048,175 |
Here are some more numbers to try:
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