A:
Positive:
1 x 76442455 x 15288497 x 109203535 x 21840741 x 18644549 x 156005205 x 37289245 x 31201287 x 26635761 x 100451435 x 53272009 x 3805
Negative:
-1 x -7644245-5 x -1528849-7 x -1092035-35 x -218407-41 x -186445-49 x -156005-205 x -37289-245 x -31201-287 x -26635-761 x -10045-1435 x -5327-2009 x -3805
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 7,644,245, 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 | 7,644,245 | |
| -1 | -7,644,245 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 7,644,245.
Example:
1 x 7,644,245 = 7,644,245
and
-1 x -7,644,245 = 7,644,245
Notice both answers equal 7,644,245
With that explanation out of the way, let's continue. Next, we take the number 7,644,245 and divide it by 2:
7,644,245 ÷ 2 = 3,822,122.5
If the quotient is a whole number, then 2 and 3,822,122.5 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 | 7,644,245 | |
| -1 | -7,644,245 |
Now, we try dividing 7,644,245 by 3:
7,644,245 ÷ 3 = 2,548,081.6667
If the quotient is a whole number, then 3 and 2,548,081.6667 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 | 7,644,245 | |
| -1 | -7,644,245 |
Let's try dividing by 4:
7,644,245 ÷ 4 = 1,911,061.25
If the quotient is a whole number, then 4 and 1,911,061.25 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 | 7,644,245 | |
| -1 | 7,644,245 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 41 | 49 | 205 | 245 | 287 | 761 | 1,435 | 2,009 | 3,805 | 5,327 | 10,045 | 26,635 | 31,201 | 37,289 | 156,005 | 186,445 | 218,407 | 1,092,035 | 1,528,849 | 7,644,245 |
| -1 | -5 | -7 | -35 | -41 | -49 | -205 | -245 | -287 | -761 | -1,435 | -2,009 | -3,805 | -5,327 | -10,045 | -26,635 | -31,201 | -37,289 | -156,005 | -186,445 | -218,407 | -1,092,035 | -1,528,849 | -7,644,245 |
Here are some more numbers to try:
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