A:
Positive:
1 x 3075010755 x 615002157 x 4392872525 x 1230004335 x 8785745175 x 1757149761 x 4040752309 x 1331753805 x 808155327 x 5772511545 x 2663516163 x 19025
Negative:
-1 x -307501075-5 x -61500215-7 x -43928725-25 x -12300043-35 x -8785745-175 x -1757149-761 x -404075-2309 x -133175-3805 x -80815-5327 x -57725-11545 x -26635-16163 x -19025
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 307,501,075, 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 | 307,501,075 | |
| -1 | -307,501,075 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 307,501,075.
Example:
1 x 307,501,075 = 307,501,075
and
-1 x -307,501,075 = 307,501,075
Notice both answers equal 307,501,075
With that explanation out of the way, let's continue. Next, we take the number 307,501,075 and divide it by 2:
307,501,075 ÷ 2 = 153,750,537.5
If the quotient is a whole number, then 2 and 153,750,537.5 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 | 307,501,075 | |
| -1 | -307,501,075 |
Now, we try dividing 307,501,075 by 3:
307,501,075 ÷ 3 = 102,500,358.3333
If the quotient is a whole number, then 3 and 102,500,358.3333 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 | 307,501,075 | |
| -1 | -307,501,075 |
Let's try dividing by 4:
307,501,075 ÷ 4 = 76,875,268.75
If the quotient is a whole number, then 4 and 76,875,268.75 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 | 307,501,075 | |
| -1 | 307,501,075 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 25 | 35 | 175 | 761 | 2,309 | 3,805 | 5,327 | 11,545 | 16,163 | 19,025 | 26,635 | 57,725 | 80,815 | 133,175 | 404,075 | 1,757,149 | 8,785,745 | 12,300,043 | 43,928,725 | 61,500,215 | 307,501,075 |
| -1 | -5 | -7 | -25 | -35 | -175 | -761 | -2,309 | -3,805 | -5,327 | -11,545 | -16,163 | -19,025 | -26,635 | -57,725 | -80,815 | -133,175 | -404,075 | -1,757,149 | -8,785,745 | -12,300,043 | -43,928,725 | -61,500,215 | -307,501,075 |
Here are some more numbers to try:
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