A:
Positive:
1 x 153534437 x 219334923 x 66754147 x 326669161 x 95363329 x 466671081 x 142032029 x 7567
Negative:
-1 x -15353443-7 x -2193349-23 x -667541-47 x -326669-161 x -95363-329 x -46667-1081 x -14203-2029 x -7567
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 15,353,443, 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 | 15,353,443 | |
| -1 | -15,353,443 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 15,353,443.
Example:
1 x 15,353,443 = 15,353,443
and
-1 x -15,353,443 = 15,353,443
Notice both answers equal 15,353,443
With that explanation out of the way, let's continue. Next, we take the number 15,353,443 and divide it by 2:
15,353,443 ÷ 2 = 7,676,721.5
If the quotient is a whole number, then 2 and 7,676,721.5 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 | 15,353,443 | |
| -1 | -15,353,443 |
Now, we try dividing 15,353,443 by 3:
15,353,443 ÷ 3 = 5,117,814.3333
If the quotient is a whole number, then 3 and 5,117,814.3333 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 | 15,353,443 | |
| -1 | -15,353,443 |
Let's try dividing by 4:
15,353,443 ÷ 4 = 3,838,360.75
If the quotient is a whole number, then 4 and 3,838,360.75 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 | 15,353,443 | |
| -1 | 15,353,443 |
If you did it right, you will end up with this table:
| 1 | 7 | 23 | 47 | 161 | 329 | 1,081 | 2,029 | 7,567 | 14,203 | 46,667 | 95,363 | 326,669 | 667,541 | 2,193,349 | 15,353,443 |
| -1 | -7 | -23 | -47 | -161 | -329 | -1,081 | -2,029 | -7,567 | -14,203 | -46,667 | -95,363 | -326,669 | -667,541 | -2,193,349 | -15,353,443 |
Here are some more numbers to try:
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