A:
Positive:
1 x 857371137 x 1224815911 x 779428349 x 174973773 x 117448177 x 1113469511 x 167783539 x 159067803 x 1067712179 x 393473577 x 239695621 x 15253
Negative:
-1 x -85737113-7 x -12248159-11 x -7794283-49 x -1749737-73 x -1174481-77 x -1113469-511 x -167783-539 x -159067-803 x -106771-2179 x -39347-3577 x -23969-5621 x -15253
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 85,737,113, 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 | 85,737,113 | |
| -1 | -85,737,113 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 85,737,113.
Example:
1 x 85,737,113 = 85,737,113
and
-1 x -85,737,113 = 85,737,113
Notice both answers equal 85,737,113
With that explanation out of the way, let's continue. Next, we take the number 85,737,113 and divide it by 2:
85,737,113 ÷ 2 = 42,868,556.5
If the quotient is a whole number, then 2 and 42,868,556.5 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 | 85,737,113 | |
| -1 | -85,737,113 |
Now, we try dividing 85,737,113 by 3:
85,737,113 ÷ 3 = 28,579,037.6667
If the quotient is a whole number, then 3 and 28,579,037.6667 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 | 85,737,113 | |
| -1 | -85,737,113 |
Let's try dividing by 4:
85,737,113 ÷ 4 = 21,434,278.25
If the quotient is a whole number, then 4 and 21,434,278.25 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 | 85,737,113 | |
| -1 | 85,737,113 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 49 | 73 | 77 | 511 | 539 | 803 | 2,179 | 3,577 | 5,621 | 15,253 | 23,969 | 39,347 | 106,771 | 159,067 | 167,783 | 1,113,469 | 1,174,481 | 1,749,737 | 7,794,283 | 12,248,159 | 85,737,113 |
| -1 | -7 | -11 | -49 | -73 | -77 | -511 | -539 | -803 | -2,179 | -3,577 | -5,621 | -15,253 | -23,969 | -39,347 | -106,771 | -159,067 | -167,783 | -1,113,469 | -1,174,481 | -1,749,737 | -7,794,283 | -12,248,159 | -85,737,113 |
Here are some more numbers to try:
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