A:
Positive:
1 x 765158037 x 1093082913 x 588583149 x 156154791 x 840833113 x 677131637 x 120119791 x 967331063 x 719811469 x 520875537 x 138197441 x 10283
Negative:
-1 x -76515803-7 x -10930829-13 x -5885831-49 x -1561547-91 x -840833-113 x -677131-637 x -120119-791 x -96733-1063 x -71981-1469 x -52087-5537 x -13819-7441 x -10283
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 76,515,803, 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 | 76,515,803 | |
| -1 | -76,515,803 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 76,515,803.
Example:
1 x 76,515,803 = 76,515,803
and
-1 x -76,515,803 = 76,515,803
Notice both answers equal 76,515,803
With that explanation out of the way, let's continue. Next, we take the number 76,515,803 and divide it by 2:
76,515,803 ÷ 2 = 38,257,901.5
If the quotient is a whole number, then 2 and 38,257,901.5 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 | 76,515,803 | |
| -1 | -76,515,803 |
Now, we try dividing 76,515,803 by 3:
76,515,803 ÷ 3 = 25,505,267.6667
If the quotient is a whole number, then 3 and 25,505,267.6667 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 | 76,515,803 | |
| -1 | -76,515,803 |
Let's try dividing by 4:
76,515,803 ÷ 4 = 19,128,950.75
If the quotient is a whole number, then 4 and 19,128,950.75 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 | 76,515,803 | |
| -1 | 76,515,803 |
If you did it right, you will end up with this table:
| 1 | 7 | 13 | 49 | 91 | 113 | 637 | 791 | 1,063 | 1,469 | 5,537 | 7,441 | 10,283 | 13,819 | 52,087 | 71,981 | 96,733 | 120,119 | 677,131 | 840,833 | 1,561,547 | 5,885,831 | 10,930,829 | 76,515,803 |
| -1 | -7 | -13 | -49 | -91 | -113 | -637 | -791 | -1,063 | -1,469 | -5,537 | -7,441 | -10,283 | -13,819 | -52,087 | -71,981 | -96,733 | -120,119 | -677,131 | -840,833 | -1,561,547 | -5,885,831 | -10,930,829 | -76,515,803 |
Here are some more numbers to try:
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