A:
Positive:
1 x 566651477 x 809502111 x 515137777 x 735911121 x 468307149 x 380303449 x 126203847 x 669011043 x 543291639 x 345733143 x 180294939 x 11473
Negative:
-1 x -56665147-7 x -8095021-11 x -5151377-77 x -735911-121 x -468307-149 x -380303-449 x -126203-847 x -66901-1043 x -54329-1639 x -34573-3143 x -18029-4939 x -11473
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 56,665,147, 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 | 56,665,147 | |
| -1 | -56,665,147 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 56,665,147.
Example:
1 x 56,665,147 = 56,665,147
and
-1 x -56,665,147 = 56,665,147
Notice both answers equal 56,665,147
With that explanation out of the way, let's continue. Next, we take the number 56,665,147 and divide it by 2:
56,665,147 ÷ 2 = 28,332,573.5
If the quotient is a whole number, then 2 and 28,332,573.5 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 | 56,665,147 | |
| -1 | -56,665,147 |
Now, we try dividing 56,665,147 by 3:
56,665,147 ÷ 3 = 18,888,382.3333
If the quotient is a whole number, then 3 and 18,888,382.3333 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 | 56,665,147 | |
| -1 | -56,665,147 |
Let's try dividing by 4:
56,665,147 ÷ 4 = 14,166,286.75
If the quotient is a whole number, then 4 and 14,166,286.75 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 | 56,665,147 | |
| -1 | 56,665,147 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 77 | 121 | 149 | 449 | 847 | 1,043 | 1,639 | 3,143 | 4,939 | 11,473 | 18,029 | 34,573 | 54,329 | 66,901 | 126,203 | 380,303 | 468,307 | 735,911 | 5,151,377 | 8,095,021 | 56,665,147 |
| -1 | -7 | -11 | -77 | -121 | -149 | -449 | -847 | -1,043 | -1,639 | -3,143 | -4,939 | -11,473 | -18,029 | -34,573 | -54,329 | -66,901 | -126,203 | -380,303 | -468,307 | -735,911 | -5,151,377 | -8,095,021 | -56,665,147 |
Here are some more numbers to try:
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