A:
Positive:
1 x 8541952913 x 657073329 x 2945501169 x 505441377 x 226577601 x 142129841 x 1015694901 x 174297813 x 10933
Negative:
-1 x -85419529-13 x -6570733-29 x -2945501-169 x -505441-377 x -226577-601 x -142129-841 x -101569-4901 x -17429-7813 x -10933
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 85,419,529, 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 | 85,419,529 | |
| -1 | -85,419,529 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 85,419,529.
Example:
1 x 85,419,529 = 85,419,529
and
-1 x -85,419,529 = 85,419,529
Notice both answers equal 85,419,529
With that explanation out of the way, let's continue. Next, we take the number 85,419,529 and divide it by 2:
85,419,529 ÷ 2 = 42,709,764.5
If the quotient is a whole number, then 2 and 42,709,764.5 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 | 85,419,529 | |
| -1 | -85,419,529 |
Now, we try dividing 85,419,529 by 3:
85,419,529 ÷ 3 = 28,473,176.3333
If the quotient is a whole number, then 3 and 28,473,176.3333 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 | 85,419,529 | |
| -1 | -85,419,529 |
Let's try dividing by 4:
85,419,529 ÷ 4 = 21,354,882.25
If the quotient is a whole number, then 4 and 21,354,882.25 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 | 85,419,529 | |
| -1 | 85,419,529 |
If you did it right, you will end up with this table:
| 1 | 13 | 29 | 169 | 377 | 601 | 841 | 4,901 | 7,813 | 10,933 | 17,429 | 101,569 | 142,129 | 226,577 | 505,441 | 2,945,501 | 6,570,733 | 85,419,529 |
| -1 | -13 | -29 | -169 | -377 | -601 | -841 | -4,901 | -7,813 | -10,933 | -17,429 | -101,569 | -142,129 | -226,577 | -505,441 | -2,945,501 | -6,570,733 | -85,419,529 |
Here are some more numbers to try:
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