A:
Positive:
1 x 390776955 x 781553953 x 737315239 x 163505265 x 147463617 x 633351195 x 327013085 x 12667
Negative:
-1 x -39077695-5 x -7815539-53 x -737315-239 x -163505-265 x -147463-617 x -63335-1195 x -32701-3085 x -12667
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 39,077,695, 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 | 39,077,695 | |
| -1 | -39,077,695 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 39,077,695.
Example:
1 x 39,077,695 = 39,077,695
and
-1 x -39,077,695 = 39,077,695
Notice both answers equal 39,077,695
With that explanation out of the way, let's continue. Next, we take the number 39,077,695 and divide it by 2:
39,077,695 ÷ 2 = 19,538,847.5
If the quotient is a whole number, then 2 and 19,538,847.5 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 | 39,077,695 | |
| -1 | -39,077,695 |
Now, we try dividing 39,077,695 by 3:
39,077,695 ÷ 3 = 13,025,898.3333
If the quotient is a whole number, then 3 and 13,025,898.3333 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 | 39,077,695 | |
| -1 | -39,077,695 |
Let's try dividing by 4:
39,077,695 ÷ 4 = 9,769,423.75
If the quotient is a whole number, then 4 and 9,769,423.75 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 | 39,077,695 | |
| -1 | 39,077,695 |
If you did it right, you will end up with this table:
| 1 | 5 | 53 | 239 | 265 | 617 | 1,195 | 3,085 | 12,667 | 32,701 | 63,335 | 147,463 | 163,505 | 737,315 | 7,815,539 | 39,077,695 |
| -1 | -5 | -53 | -239 | -265 | -617 | -1,195 | -3,085 | -12,667 | -32,701 | -63,335 | -147,463 | -163,505 | -737,315 | -7,815,539 | -39,077,695 |
Here are some more numbers to try:
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