A:
Positive:
1 x 706817655 x 141363537 x 1009739511 x 642561535 x 201947949 x 144248555 x 128512377 x 917945245 x 288497385 x 183589539 x 1311352695 x 26227
Negative:
-1 x -70681765-5 x -14136353-7 x -10097395-11 x -6425615-35 x -2019479-49 x -1442485-55 x -1285123-77 x -917945-245 x -288497-385 x -183589-539 x -131135-2695 x -26227
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 70,681,765, 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 | 70,681,765 | |
| -1 | -70,681,765 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 70,681,765.
Example:
1 x 70,681,765 = 70,681,765
and
-1 x -70,681,765 = 70,681,765
Notice both answers equal 70,681,765
With that explanation out of the way, let's continue. Next, we take the number 70,681,765 and divide it by 2:
70,681,765 ÷ 2 = 35,340,882.5
If the quotient is a whole number, then 2 and 35,340,882.5 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 | 70,681,765 | |
| -1 | -70,681,765 |
Now, we try dividing 70,681,765 by 3:
70,681,765 ÷ 3 = 23,560,588.3333
If the quotient is a whole number, then 3 and 23,560,588.3333 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 | 70,681,765 | |
| -1 | -70,681,765 |
Let's try dividing by 4:
70,681,765 ÷ 4 = 17,670,441.25
If the quotient is a whole number, then 4 and 17,670,441.25 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 | 70,681,765 | |
| -1 | 70,681,765 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 11 | 35 | 49 | 55 | 77 | 245 | 385 | 539 | 2,695 | 26,227 | 131,135 | 183,589 | 288,497 | 917,945 | 1,285,123 | 1,442,485 | 2,019,479 | 6,425,615 | 10,097,395 | 14,136,353 | 70,681,765 |
| -1 | -5 | -7 | -11 | -35 | -49 | -55 | -77 | -245 | -385 | -539 | -2,695 | -26,227 | -131,135 | -183,589 | -288,497 | -917,945 | -1,285,123 | -1,442,485 | -2,019,479 | -6,425,615 | -10,097,395 | -14,136,353 | -70,681,765 |
Here are some more numbers to try:
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