A:
Positive:
1 x 770074131 x 24841143 x 17908753 x 145297109 x 706491333 x 57771643 x 46872279 x 3379
Negative:
-1 x -7700741-31 x -248411-43 x -179087-53 x -145297-109 x -70649-1333 x -5777-1643 x -4687-2279 x -3379
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 7,700,741, 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 | 7,700,741 | |
| -1 | -7,700,741 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 7,700,741.
Example:
1 x 7,700,741 = 7,700,741
and
-1 x -7,700,741 = 7,700,741
Notice both answers equal 7,700,741
With that explanation out of the way, let's continue. Next, we take the number 7,700,741 and divide it by 2:
7,700,741 ÷ 2 = 3,850,370.5
If the quotient is a whole number, then 2 and 3,850,370.5 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 | 7,700,741 | |
| -1 | -7,700,741 |
Now, we try dividing 7,700,741 by 3:
7,700,741 ÷ 3 = 2,566,913.6667
If the quotient is a whole number, then 3 and 2,566,913.6667 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 | 7,700,741 | |
| -1 | -7,700,741 |
Let's try dividing by 4:
7,700,741 ÷ 4 = 1,925,185.25
If the quotient is a whole number, then 4 and 1,925,185.25 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 | 7,700,741 | |
| -1 | 7,700,741 |
If you did it right, you will end up with this table:
| 1 | 31 | 43 | 53 | 109 | 1,333 | 1,643 | 2,279 | 3,379 | 4,687 | 5,777 | 70,649 | 145,297 | 179,087 | 248,411 | 7,700,741 |
| -1 | -31 | -43 | -53 | -109 | -1,333 | -1,643 | -2,279 | -3,379 | -4,687 | -5,777 | -70,649 | -145,297 | -179,087 | -248,411 | -7,700,741 |
Here are some more numbers to try:
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