A:
Positive:
1 x 7460012155 x 14920024337 x 20162195185 x 40324391801 x 4142152239 x 3331859005 x 8284311195 x 66637
Negative:
-1 x -746001215-5 x -149200243-37 x -20162195-185 x -4032439-1801 x -414215-2239 x -333185-9005 x -82843-11195 x -66637
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 746,001,215, 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 | 746,001,215 | |
| -1 | -746,001,215 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 746,001,215.
Example:
1 x 746,001,215 = 746,001,215
and
-1 x -746,001,215 = 746,001,215
Notice both answers equal 746,001,215
With that explanation out of the way, let's continue. Next, we take the number 746,001,215 and divide it by 2:
746,001,215 ÷ 2 = 373,000,607.5
If the quotient is a whole number, then 2 and 373,000,607.5 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 | 746,001,215 | |
| -1 | -746,001,215 |
Now, we try dividing 746,001,215 by 3:
746,001,215 ÷ 3 = 248,667,071.6667
If the quotient is a whole number, then 3 and 248,667,071.6667 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 | 746,001,215 | |
| -1 | -746,001,215 |
Let's try dividing by 4:
746,001,215 ÷ 4 = 186,500,303.75
If the quotient is a whole number, then 4 and 186,500,303.75 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 | 746,001,215 | |
| -1 | 746,001,215 |
If you did it right, you will end up with this table:
| 1 | 5 | 37 | 185 | 1,801 | 2,239 | 9,005 | 11,195 | 66,637 | 82,843 | 333,185 | 414,215 | 4,032,439 | 20,162,195 | 149,200,243 | 746,001,215 |
| -1 | -5 | -37 | -185 | -1,801 | -2,239 | -9,005 | -11,195 | -66,637 | -82,843 | -333,185 | -414,215 | -4,032,439 | -20,162,195 | -149,200,243 | -746,001,215 |
Here are some more numbers to try:
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