A:
Positive:
1 x 7623707655 x 15247415313 x 5864390523 x 3314655565 x 11728781115 x 6629311299 x 25497351495 x 509947
Negative:
-1 x -762370765-5 x -152474153-13 x -58643905-23 x -33146555-65 x -11728781-115 x -6629311-299 x -2549735-1495 x -509947
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 762,370,765, 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 | 762,370,765 | |
| -1 | -762,370,765 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 762,370,765.
Example:
1 x 762,370,765 = 762,370,765
and
-1 x -762,370,765 = 762,370,765
Notice both answers equal 762,370,765
With that explanation out of the way, let's continue. Next, we take the number 762,370,765 and divide it by 2:
762,370,765 ÷ 2 = 381,185,382.5
If the quotient is a whole number, then 2 and 381,185,382.5 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 | 762,370,765 | |
| -1 | -762,370,765 |
Now, we try dividing 762,370,765 by 3:
762,370,765 ÷ 3 = 254,123,588.3333
If the quotient is a whole number, then 3 and 254,123,588.3333 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 | 762,370,765 | |
| -1 | -762,370,765 |
Let's try dividing by 4:
762,370,765 ÷ 4 = 190,592,691.25
If the quotient is a whole number, then 4 and 190,592,691.25 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 | 762,370,765 | |
| -1 | 762,370,765 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 23 | 65 | 115 | 299 | 1,495 | 509,947 | 2,549,735 | 6,629,311 | 11,728,781 | 33,146,555 | 58,643,905 | 152,474,153 | 762,370,765 |
| -1 | -5 | -13 | -23 | -65 | -115 | -299 | -1,495 | -509,947 | -2,549,735 | -6,629,311 | -11,728,781 | -33,146,555 | -58,643,905 | -152,474,153 | -762,370,765 |
Here are some more numbers to try:
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