A:
Positive:
1 x 234265855 x 46853177 x 334665513 x 180204535 x 66933165 x 36040991 x 257435455 x 51487
Negative:
-1 x -23426585-5 x -4685317-7 x -3346655-13 x -1802045-35 x -669331-65 x -360409-91 x -257435-455 x -51487
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 23,426,585, 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 | 23,426,585 | |
| -1 | -23,426,585 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 23,426,585.
Example:
1 x 23,426,585 = 23,426,585
and
-1 x -23,426,585 = 23,426,585
Notice both answers equal 23,426,585
With that explanation out of the way, let's continue. Next, we take the number 23,426,585 and divide it by 2:
23,426,585 ÷ 2 = 11,713,292.5
If the quotient is a whole number, then 2 and 11,713,292.5 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 | 23,426,585 | |
| -1 | -23,426,585 |
Now, we try dividing 23,426,585 by 3:
23,426,585 ÷ 3 = 7,808,861.6667
If the quotient is a whole number, then 3 and 7,808,861.6667 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 | 23,426,585 | |
| -1 | -23,426,585 |
Let's try dividing by 4:
23,426,585 ÷ 4 = 5,856,646.25
If the quotient is a whole number, then 4 and 5,856,646.25 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 | 23,426,585 | |
| -1 | 23,426,585 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 13 | 35 | 65 | 91 | 455 | 51,487 | 257,435 | 360,409 | 669,331 | 1,802,045 | 3,346,655 | 4,685,317 | 23,426,585 |
| -1 | -5 | -7 | -13 | -35 | -65 | -91 | -455 | -51,487 | -257,435 | -360,409 | -669,331 | -1,802,045 | -3,346,655 | -4,685,317 | -23,426,585 |
Here are some more numbers to try:
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