A:
Positive:
1 x 476051455 x 95210297 x 680073535 x 136014771 x 670495355 x 134099497 x 957852485 x 19157
Negative:
-1 x -47605145-5 x -9521029-7 x -6800735-35 x -1360147-71 x -670495-355 x -134099-497 x -95785-2485 x -19157
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 47,605,145, 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 | 47,605,145 | |
| -1 | -47,605,145 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 47,605,145.
Example:
1 x 47,605,145 = 47,605,145
and
-1 x -47,605,145 = 47,605,145
Notice both answers equal 47,605,145
With that explanation out of the way, let's continue. Next, we take the number 47,605,145 and divide it by 2:
47,605,145 ÷ 2 = 23,802,572.5
If the quotient is a whole number, then 2 and 23,802,572.5 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 | 47,605,145 | |
| -1 | -47,605,145 |
Now, we try dividing 47,605,145 by 3:
47,605,145 ÷ 3 = 15,868,381.6667
If the quotient is a whole number, then 3 and 15,868,381.6667 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 | 47,605,145 | |
| -1 | -47,605,145 |
Let's try dividing by 4:
47,605,145 ÷ 4 = 11,901,286.25
If the quotient is a whole number, then 4 and 11,901,286.25 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 | 47,605,145 | |
| -1 | 47,605,145 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 71 | 355 | 497 | 2,485 | 19,157 | 95,785 | 134,099 | 670,495 | 1,360,147 | 6,800,735 | 9,521,029 | 47,605,145 |
| -1 | -5 | -7 | -35 | -71 | -355 | -497 | -2,485 | -19,157 | -95,785 | -134,099 | -670,495 | -1,360,147 | -6,800,735 | -9,521,029 | -47,605,145 |
Here are some more numbers to try:
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