A:
Positive:
1 x 234304455 x 468608923 x 101871573 x 320965115 x 203743365 x 641931679 x 139552791 x 8395
Negative:
-1 x -23430445-5 x -4686089-23 x -1018715-73 x -320965-115 x -203743-365 x -64193-1679 x -13955-2791 x -8395
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 23,430,445, 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 | 23,430,445 | |
| -1 | -23,430,445 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 23,430,445.
Example:
1 x 23,430,445 = 23,430,445
and
-1 x -23,430,445 = 23,430,445
Notice both answers equal 23,430,445
With that explanation out of the way, let's continue. Next, we take the number 23,430,445 and divide it by 2:
23,430,445 ÷ 2 = 11,715,222.5
If the quotient is a whole number, then 2 and 11,715,222.5 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 | 23,430,445 | |
| -1 | -23,430,445 |
Now, we try dividing 23,430,445 by 3:
23,430,445 ÷ 3 = 7,810,148.3333
If the quotient is a whole number, then 3 and 7,810,148.3333 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 | 23,430,445 | |
| -1 | -23,430,445 |
Let's try dividing by 4:
23,430,445 ÷ 4 = 5,857,611.25
If the quotient is a whole number, then 4 and 5,857,611.25 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 | 23,430,445 | |
| -1 | 23,430,445 |
If you did it right, you will end up with this table:
| 1 | 5 | 23 | 73 | 115 | 365 | 1,679 | 2,791 | 8,395 | 13,955 | 64,193 | 203,743 | 320,965 | 1,018,715 | 4,686,089 | 23,430,445 |
| -1 | -5 | -23 | -73 | -115 | -365 | -1,679 | -2,791 | -8,395 | -13,955 | -64,193 | -203,743 | -320,965 | -1,018,715 | -4,686,089 | -23,430,445 |
Here are some more numbers to try:
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