A:
Positive:
1 x 656782255 x 1313564517 x 386342523 x 285557525 x 262712985 x 772685115 x 571115391 x 167975425 x 154537575 x 1142231955 x 335956719 x 9775
Negative:
-1 x -65678225-5 x -13135645-17 x -3863425-23 x -2855575-25 x -2627129-85 x -772685-115 x -571115-391 x -167975-425 x -154537-575 x -114223-1955 x -33595-6719 x -9775
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 65,678,225, 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 | 65,678,225 | |
| -1 | -65,678,225 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 65,678,225.
Example:
1 x 65,678,225 = 65,678,225
and
-1 x -65,678,225 = 65,678,225
Notice both answers equal 65,678,225
With that explanation out of the way, let's continue. Next, we take the number 65,678,225 and divide it by 2:
65,678,225 ÷ 2 = 32,839,112.5
If the quotient is a whole number, then 2 and 32,839,112.5 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 | 65,678,225 | |
| -1 | -65,678,225 |
Now, we try dividing 65,678,225 by 3:
65,678,225 ÷ 3 = 21,892,741.6667
If the quotient is a whole number, then 3 and 21,892,741.6667 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 | 65,678,225 | |
| -1 | -65,678,225 |
Let's try dividing by 4:
65,678,225 ÷ 4 = 16,419,556.25
If the quotient is a whole number, then 4 and 16,419,556.25 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 | 65,678,225 | |
| -1 | 65,678,225 |
If you did it right, you will end up with this table:
| 1 | 5 | 17 | 23 | 25 | 85 | 115 | 391 | 425 | 575 | 1,955 | 6,719 | 9,775 | 33,595 | 114,223 | 154,537 | 167,975 | 571,115 | 772,685 | 2,627,129 | 2,855,575 | 3,863,425 | 13,135,645 | 65,678,225 |
| -1 | -5 | -17 | -23 | -25 | -85 | -115 | -391 | -425 | -575 | -1,955 | -6,719 | -9,775 | -33,595 | -114,223 | -154,537 | -167,975 | -571,115 | -772,685 | -2,627,129 | -2,855,575 | -3,863,425 | -13,135,645 | -65,678,225 |
Here are some more numbers to try:
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