A:
Positive:
1 x 403134977 x 575907119 x 212176361 x 660877133 x 303109427 x 944111159 x 347834969 x 8113
Negative:
-1 x -40313497-7 x -5759071-19 x -2121763-61 x -660877-133 x -303109-427 x -94411-1159 x -34783-4969 x -8113
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 40,313,497, 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 | 40,313,497 | |
| -1 | -40,313,497 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 40,313,497.
Example:
1 x 40,313,497 = 40,313,497
and
-1 x -40,313,497 = 40,313,497
Notice both answers equal 40,313,497
With that explanation out of the way, let's continue. Next, we take the number 40,313,497 and divide it by 2:
40,313,497 ÷ 2 = 20,156,748.5
If the quotient is a whole number, then 2 and 20,156,748.5 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 | 40,313,497 | |
| -1 | -40,313,497 |
Now, we try dividing 40,313,497 by 3:
40,313,497 ÷ 3 = 13,437,832.3333
If the quotient is a whole number, then 3 and 13,437,832.3333 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 | 40,313,497 | |
| -1 | -40,313,497 |
Let's try dividing by 4:
40,313,497 ÷ 4 = 10,078,374.25
If the quotient is a whole number, then 4 and 10,078,374.25 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 | 40,313,497 | |
| -1 | 40,313,497 |
If you did it right, you will end up with this table:
| 1 | 7 | 19 | 61 | 133 | 427 | 1,159 | 4,969 | 8,113 | 34,783 | 94,411 | 303,109 | 660,877 | 2,121,763 | 5,759,071 | 40,313,497 |
| -1 | -7 | -19 | -61 | -133 | -427 | -1,159 | -4,969 | -8,113 | -34,783 | -94,411 | -303,109 | -660,877 | -2,121,763 | -5,759,071 | -40,313,497 |
Here are some more numbers to try:
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