A:
Positive:
1 x 6677462477 x 9539232117 x 3927919159 x 11317733119 x 5611313413 x 16168191003 x 6657497021 x 95107
Negative:
-1 x -667746247-7 x -95392321-17 x -39279191-59 x -11317733-119 x -5611313-413 x -1616819-1003 x -665749-7021 x -95107
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 667,746,247, 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 | 667,746,247 | |
| -1 | -667,746,247 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 667,746,247.
Example:
1 x 667,746,247 = 667,746,247
and
-1 x -667,746,247 = 667,746,247
Notice both answers equal 667,746,247
With that explanation out of the way, let's continue. Next, we take the number 667,746,247 and divide it by 2:
667,746,247 ÷ 2 = 333,873,123.5
If the quotient is a whole number, then 2 and 333,873,123.5 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 | 667,746,247 | |
| -1 | -667,746,247 |
Now, we try dividing 667,746,247 by 3:
667,746,247 ÷ 3 = 222,582,082.3333
If the quotient is a whole number, then 3 and 222,582,082.3333 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 | 667,746,247 | |
| -1 | -667,746,247 |
Let's try dividing by 4:
667,746,247 ÷ 4 = 166,936,561.75
If the quotient is a whole number, then 4 and 166,936,561.75 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 | 667,746,247 | |
| -1 | 667,746,247 |
If you did it right, you will end up with this table:
| 1 | 7 | 17 | 59 | 119 | 413 | 1,003 | 7,021 | 95,107 | 665,749 | 1,616,819 | 5,611,313 | 11,317,733 | 39,279,191 | 95,392,321 | 667,746,247 |
| -1 | -7 | -17 | -59 | -119 | -413 | -1,003 | -7,021 | -95,107 | -665,749 | -1,616,819 | -5,611,313 | -11,317,733 | -39,279,191 | -95,392,321 | -667,746,247 |
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