A:
Positive:
1 x 65207755 x 130415517 x 38357525 x 26083167 x 9732585 x 76715229 x 28475335 x 19465425 x 153431139 x 57251145 x 56951675 x 3893
Negative:
-1 x -6520775-5 x -1304155-17 x -383575-25 x -260831-67 x -97325-85 x -76715-229 x -28475-335 x -19465-425 x -15343-1139 x -5725-1145 x -5695-1675 x -3893
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 6,520,775, 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 | 6,520,775 | |
| -1 | -6,520,775 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 6,520,775.
Example:
1 x 6,520,775 = 6,520,775
and
-1 x -6,520,775 = 6,520,775
Notice both answers equal 6,520,775
With that explanation out of the way, let's continue. Next, we take the number 6,520,775 and divide it by 2:
6,520,775 ÷ 2 = 3,260,387.5
If the quotient is a whole number, then 2 and 3,260,387.5 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 | 6,520,775 | |
| -1 | -6,520,775 |
Now, we try dividing 6,520,775 by 3:
6,520,775 ÷ 3 = 2,173,591.6667
If the quotient is a whole number, then 3 and 2,173,591.6667 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 | 6,520,775 | |
| -1 | -6,520,775 |
Let's try dividing by 4:
6,520,775 ÷ 4 = 1,630,193.75
If the quotient is a whole number, then 4 and 1,630,193.75 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 | 6,520,775 | |
| -1 | 6,520,775 |
If you did it right, you will end up with this table:
| 1 | 5 | 17 | 25 | 67 | 85 | 229 | 335 | 425 | 1,139 | 1,145 | 1,675 | 3,893 | 5,695 | 5,725 | 15,343 | 19,465 | 28,475 | 76,715 | 97,325 | 260,831 | 383,575 | 1,304,155 | 6,520,775 |
| -1 | -5 | -17 | -25 | -67 | -85 | -229 | -335 | -425 | -1,139 | -1,145 | -1,675 | -3,893 | -5,695 | -5,725 | -15,343 | -19,465 | -28,475 | -76,715 | -97,325 | -260,831 | -383,575 | -1,304,155 | -6,520,775 |
Here are some more numbers to try:
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