A:
Positive:
1 x 7620464655 x 15240929323 x 3313245561 x 12492565115 x 6626491305 x 24985131403 x 5431557015 x 108631
Negative:
-1 x -762046465-5 x -152409293-23 x -33132455-61 x -12492565-115 x -6626491-305 x -2498513-1403 x -543155-7015 x -108631
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 762,046,465, 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 | 762,046,465 | |
| -1 | -762,046,465 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 762,046,465.
Example:
1 x 762,046,465 = 762,046,465
and
-1 x -762,046,465 = 762,046,465
Notice both answers equal 762,046,465
With that explanation out of the way, let's continue. Next, we take the number 762,046,465 and divide it by 2:
762,046,465 ÷ 2 = 381,023,232.5
If the quotient is a whole number, then 2 and 381,023,232.5 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 | 762,046,465 | |
| -1 | -762,046,465 |
Now, we try dividing 762,046,465 by 3:
762,046,465 ÷ 3 = 254,015,488.3333
If the quotient is a whole number, then 3 and 254,015,488.3333 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 | 762,046,465 | |
| -1 | -762,046,465 |
Let's try dividing by 4:
762,046,465 ÷ 4 = 190,511,616.25
If the quotient is a whole number, then 4 and 190,511,616.25 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 | 762,046,465 | |
| -1 | 762,046,465 |
If you did it right, you will end up with this table:
| 1 | 5 | 23 | 61 | 115 | 305 | 1,403 | 7,015 | 108,631 | 543,155 | 2,498,513 | 6,626,491 | 12,492,565 | 33,132,455 | 152,409,293 | 762,046,465 |
| -1 | -5 | -23 | -61 | -115 | -305 | -1,403 | -7,015 | -108,631 | -543,155 | -2,498,513 | -6,626,491 | -12,492,565 | -33,132,455 | -152,409,293 | -762,046,465 |
Here are some more numbers to try:
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