A:
Positive:
1 x 105136855 x 21027377 x 150195513 x 80874535 x 30039149 x 21456565 x 16174991 x 115535245 x 42913455 x 23107637 x 165053185 x 3301
Negative:
-1 x -10513685-5 x -2102737-7 x -1501955-13 x -808745-35 x -300391-49 x -214565-65 x -161749-91 x -115535-245 x -42913-455 x -23107-637 x -16505-3185 x -3301
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 10,513,685, 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 | 10,513,685 | |
| -1 | -10,513,685 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 10,513,685.
Example:
1 x 10,513,685 = 10,513,685
and
-1 x -10,513,685 = 10,513,685
Notice both answers equal 10,513,685
With that explanation out of the way, let's continue. Next, we take the number 10,513,685 and divide it by 2:
10,513,685 ÷ 2 = 5,256,842.5
If the quotient is a whole number, then 2 and 5,256,842.5 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 | 10,513,685 | |
| -1 | -10,513,685 |
Now, we try dividing 10,513,685 by 3:
10,513,685 ÷ 3 = 3,504,561.6667
If the quotient is a whole number, then 3 and 3,504,561.6667 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 | 10,513,685 | |
| -1 | -10,513,685 |
Let's try dividing by 4:
10,513,685 ÷ 4 = 2,628,421.25
If the quotient is a whole number, then 4 and 2,628,421.25 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 | 10,513,685 | |
| -1 | 10,513,685 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 13 | 35 | 49 | 65 | 91 | 245 | 455 | 637 | 3,185 | 3,301 | 16,505 | 23,107 | 42,913 | 115,535 | 161,749 | 214,565 | 300,391 | 808,745 | 1,501,955 | 2,102,737 | 10,513,685 |
| -1 | -5 | -7 | -13 | -35 | -49 | -65 | -91 | -245 | -455 | -637 | -3,185 | -3,301 | -16,505 | -23,107 | -42,913 | -115,535 | -161,749 | -214,565 | -300,391 | -808,745 | -1,501,955 | -2,102,737 | -10,513,685 |
Here are some more numbers to try:
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