A:
Positive:
1 x 156334555 x 312669117 x 91961531 x 50430585 x 183923155 x 100861289 x 54095349 x 44795527 x 296651445 x 108191745 x 89592635 x 5933
Negative:
-1 x -15633455-5 x -3126691-17 x -919615-31 x -504305-85 x -183923-155 x -100861-289 x -54095-349 x -44795-527 x -29665-1445 x -10819-1745 x -8959-2635 x -5933
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 15,633,455, 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 | 15,633,455 | |
| -1 | -15,633,455 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 15,633,455.
Example:
1 x 15,633,455 = 15,633,455
and
-1 x -15,633,455 = 15,633,455
Notice both answers equal 15,633,455
With that explanation out of the way, let's continue. Next, we take the number 15,633,455 and divide it by 2:
15,633,455 ÷ 2 = 7,816,727.5
If the quotient is a whole number, then 2 and 7,816,727.5 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 | 15,633,455 | |
| -1 | -15,633,455 |
Now, we try dividing 15,633,455 by 3:
15,633,455 ÷ 3 = 5,211,151.6667
If the quotient is a whole number, then 3 and 5,211,151.6667 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 | 15,633,455 | |
| -1 | -15,633,455 |
Let's try dividing by 4:
15,633,455 ÷ 4 = 3,908,363.75
If the quotient is a whole number, then 4 and 3,908,363.75 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 | 15,633,455 | |
| -1 | 15,633,455 |
If you did it right, you will end up with this table:
| 1 | 5 | 17 | 31 | 85 | 155 | 289 | 349 | 527 | 1,445 | 1,745 | 2,635 | 5,933 | 8,959 | 10,819 | 29,665 | 44,795 | 54,095 | 100,861 | 183,923 | 504,305 | 919,615 | 3,126,691 | 15,633,455 |
| -1 | -5 | -17 | -31 | -85 | -155 | -289 | -349 | -527 | -1,445 | -1,745 | -2,635 | -5,933 | -8,959 | -10,819 | -29,665 | -44,795 | -54,095 | -100,861 | -183,923 | -504,305 | -919,615 | -3,126,691 | -15,633,455 |
Here are some more numbers to try:
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