A:
Positive:
1 x 6536546177 x 9337923111 x 5942314737 x 1766634177 x 8489021259 x 2523763407 x 16060312849 x 229433
Negative:
-1 x -653654617-7 x -93379231-11 x -59423147-37 x -17666341-77 x -8489021-259 x -2523763-407 x -1606031-2849 x -229433
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 653,654,617, 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 | 653,654,617 | |
| -1 | -653,654,617 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 653,654,617.
Example:
1 x 653,654,617 = 653,654,617
and
-1 x -653,654,617 = 653,654,617
Notice both answers equal 653,654,617
With that explanation out of the way, let's continue. Next, we take the number 653,654,617 and divide it by 2:
653,654,617 ÷ 2 = 326,827,308.5
If the quotient is a whole number, then 2 and 326,827,308.5 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 | 653,654,617 | |
| -1 | -653,654,617 |
Now, we try dividing 653,654,617 by 3:
653,654,617 ÷ 3 = 217,884,872.3333
If the quotient is a whole number, then 3 and 217,884,872.3333 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 | 653,654,617 | |
| -1 | -653,654,617 |
Let's try dividing by 4:
653,654,617 ÷ 4 = 163,413,654.25
If the quotient is a whole number, then 4 and 163,413,654.25 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 | 653,654,617 | |
| -1 | 653,654,617 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 37 | 77 | 259 | 407 | 2,849 | 229,433 | 1,606,031 | 2,523,763 | 8,489,021 | 17,666,341 | 59,423,147 | 93,379,231 | 653,654,617 |
| -1 | -7 | -11 | -37 | -77 | -259 | -407 | -2,849 | -229,433 | -1,606,031 | -2,523,763 | -8,489,021 | -17,666,341 | -59,423,147 | -93,379,231 | -653,654,617 |
Here are some more numbers to try:
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