A:
Positive:
1 x 537904855 x 107580977 x 768435535 x 153687149 x 1097765181 x 297185245 x 219553905 x 594371213 x 443451267 x 424556065 x 88696335 x 8491
Negative:
-1 x -53790485-5 x -10758097-7 x -7684355-35 x -1536871-49 x -1097765-181 x -297185-245 x -219553-905 x -59437-1213 x -44345-1267 x -42455-6065 x -8869-6335 x -8491
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 53,790,485, 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 | 53,790,485 | |
| -1 | -53,790,485 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 53,790,485.
Example:
1 x 53,790,485 = 53,790,485
and
-1 x -53,790,485 = 53,790,485
Notice both answers equal 53,790,485
With that explanation out of the way, let's continue. Next, we take the number 53,790,485 and divide it by 2:
53,790,485 ÷ 2 = 26,895,242.5
If the quotient is a whole number, then 2 and 26,895,242.5 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 | 53,790,485 | |
| -1 | -53,790,485 |
Now, we try dividing 53,790,485 by 3:
53,790,485 ÷ 3 = 17,930,161.6667
If the quotient is a whole number, then 3 and 17,930,161.6667 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 | 53,790,485 | |
| -1 | -53,790,485 |
Let's try dividing by 4:
53,790,485 ÷ 4 = 13,447,621.25
If the quotient is a whole number, then 4 and 13,447,621.25 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 | 53,790,485 | |
| -1 | 53,790,485 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 49 | 181 | 245 | 905 | 1,213 | 1,267 | 6,065 | 6,335 | 8,491 | 8,869 | 42,455 | 44,345 | 59,437 | 219,553 | 297,185 | 1,097,765 | 1,536,871 | 7,684,355 | 10,758,097 | 53,790,485 |
| -1 | -5 | -7 | -35 | -49 | -181 | -245 | -905 | -1,213 | -1,267 | -6,065 | -6,335 | -8,491 | -8,869 | -42,455 | -44,345 | -59,437 | -219,553 | -297,185 | -1,097,765 | -1,536,871 | -7,684,355 | -10,758,097 | -53,790,485 |
Here are some more numbers to try:
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