A:
Positive:
1 x 186770955 x 373541919 x 98300547 x 39738589 x 20985595 x 196601235 x 79477445 x 41971893 x 209151691 x 110452209 x 84554183 x 4465
Negative:
-1 x -18677095-5 x -3735419-19 x -983005-47 x -397385-89 x -209855-95 x -196601-235 x -79477-445 x -41971-893 x -20915-1691 x -11045-2209 x -8455-4183 x -4465
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 18,677,095, 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 | 18,677,095 | |
| -1 | -18,677,095 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 18,677,095.
Example:
1 x 18,677,095 = 18,677,095
and
-1 x -18,677,095 = 18,677,095
Notice both answers equal 18,677,095
With that explanation out of the way, let's continue. Next, we take the number 18,677,095 and divide it by 2:
18,677,095 ÷ 2 = 9,338,547.5
If the quotient is a whole number, then 2 and 9,338,547.5 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 | 18,677,095 | |
| -1 | -18,677,095 |
Now, we try dividing 18,677,095 by 3:
18,677,095 ÷ 3 = 6,225,698.3333
If the quotient is a whole number, then 3 and 6,225,698.3333 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 | 18,677,095 | |
| -1 | -18,677,095 |
Let's try dividing by 4:
18,677,095 ÷ 4 = 4,669,273.75
If the quotient is a whole number, then 4 and 4,669,273.75 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 | 18,677,095 | |
| -1 | 18,677,095 |
If you did it right, you will end up with this table:
| 1 | 5 | 19 | 47 | 89 | 95 | 235 | 445 | 893 | 1,691 | 2,209 | 4,183 | 4,465 | 8,455 | 11,045 | 20,915 | 41,971 | 79,477 | 196,601 | 209,855 | 397,385 | 983,005 | 3,735,419 | 18,677,095 |
| -1 | -5 | -19 | -47 | -89 | -95 | -235 | -445 | -893 | -1,691 | -2,209 | -4,183 | -4,465 | -8,455 | -11,045 | -20,915 | -41,971 | -79,477 | -196,601 | -209,855 | -397,385 | -983,005 | -3,735,419 | -18,677,095 |
Here are some more numbers to try:
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