A:
Positive:
1 x 860005682 x 430002843 x 286668564 x 215001426 x 143334288 x 1075007112 x 716671424 x 3583357
Negative:
-1 x -86000568-2 x -43000284-3 x -28666856-4 x -21500142-6 x -14333428-8 x -10750071-12 x -7166714-24 x -3583357
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 86,000,568, 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 | 86,000,568 | |
| -1 | -86,000,568 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 86,000,568.
Example:
1 x 86,000,568 = 86,000,568
and
-1 x -86,000,568 = 86,000,568
Notice both answers equal 86,000,568
With that explanation out of the way, let's continue. Next, we take the number 86,000,568 and divide it by 2:
86,000,568 ÷ 2 = 43,000,284
If the quotient is a whole number, then 2 and 43,000,284 are factors. In this case, the quotient is a whole number. Write them in the table inside the other two factors like the below example. Don't forget to write the negative numbers too!
Here is what our table should look like at this step:
| 1 | 2 | 43,000,284 | 86,000,568 | |
| -1 | -2 | -43,000,284 | -86,000,568 |
Now, we try dividing 86,000,568 by 3:
86,000,568 ÷ 3 = 28,666,856
If the quotient is a whole number, then 3 and 28,666,856 are factors. In this case, the quotient is a whole number. Write them in the table inside the other two factors like the below example. Don't forget to write the negative numbers too!
Here is what our table should look like at this step:
| 1 | 2 | 3 | 28,666,856 | 43,000,284 | 86,000,568 | |
| -1 | -2 | -3 | -28,666,856 | -43,000,284 | -86,000,568 |
Let's try dividing by 4:
86,000,568 ÷ 4 = 21,500,142
If the quotient is a whole number, then 4 and 21,500,142 are factors. In this case, the quotient is a whole number. Write them in the table inside the other two factors like the below example. Don't forget to write the negative numbers too!
Here is what our table should look like at this step:
| 1 | 2 | 3 | 4 | 21,500,142 | 28,666,856 | 43,000,284 | 86,000,568 | |
| -1 | -2 | -3 | -4 | -21,500,142 | -28,666,856 | -43,000,284 | 86,000,568 |
If you did it right, you will end up with this table:
| 1 | 2 | 3 | 4 | 6 | 8 | 12 | 24 | 3,583,357 | 7,166,714 | 10,750,071 | 14,333,428 | 21,500,142 | 28,666,856 | 43,000,284 | 86,000,568 |
| -1 | -2 | -3 | -4 | -6 | -8 | -12 | -24 | -3,583,357 | -7,166,714 | -10,750,071 | -14,333,428 | -21,500,142 | -28,666,856 | -43,000,284 | -86,000,568 |
Here are some more numbers to try:
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