A:
Positive:
1 x 4647151455 x 9294302917 x 2733618585 x 5467237617 x 7531853085 x 1506378861 x 5244510489 x 44305
Negative:
-1 x -464715145-5 x -92943029-17 x -27336185-85 x -5467237-617 x -753185-3085 x -150637-8861 x -52445-10489 x -44305
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 464,715,145, 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 | 464,715,145 | |
| -1 | -464,715,145 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 464,715,145.
Example:
1 x 464,715,145 = 464,715,145
and
-1 x -464,715,145 = 464,715,145
Notice both answers equal 464,715,145
With that explanation out of the way, let's continue. Next, we take the number 464,715,145 and divide it by 2:
464,715,145 ÷ 2 = 232,357,572.5
If the quotient is a whole number, then 2 and 232,357,572.5 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 | 464,715,145 | |
| -1 | -464,715,145 |
Now, we try dividing 464,715,145 by 3:
464,715,145 ÷ 3 = 154,905,048.3333
If the quotient is a whole number, then 3 and 154,905,048.3333 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 | 464,715,145 | |
| -1 | -464,715,145 |
Let's try dividing by 4:
464,715,145 ÷ 4 = 116,178,786.25
If the quotient is a whole number, then 4 and 116,178,786.25 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 | 464,715,145 | |
| -1 | 464,715,145 |
If you did it right, you will end up with this table:
| 1 | 5 | 17 | 85 | 617 | 3,085 | 8,861 | 10,489 | 44,305 | 52,445 | 150,637 | 753,185 | 5,467,237 | 27,336,185 | 92,943,029 | 464,715,145 |
| -1 | -5 | -17 | -85 | -617 | -3,085 | -8,861 | -10,489 | -44,305 | -52,445 | -150,637 | -753,185 | -5,467,237 | -27,336,185 | -92,943,029 | -464,715,145 |
Here are some more numbers to try:
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