A:
Positive:
1 x 262107797 x 374439731 x 84550943 x 60955353 x 494543217 x 120787301 x 87079371 x 706491333 x 196631643 x 159532279 x 115012809 x 9331
Negative:
-1 x -26210779-7 x -3744397-31 x -845509-43 x -609553-53 x -494543-217 x -120787-301 x -87079-371 x -70649-1333 x -19663-1643 x -15953-2279 x -11501-2809 x -9331
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 26,210,779, 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 | 26,210,779 | |
| -1 | -26,210,779 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 26,210,779.
Example:
1 x 26,210,779 = 26,210,779
and
-1 x -26,210,779 = 26,210,779
Notice both answers equal 26,210,779
With that explanation out of the way, let's continue. Next, we take the number 26,210,779 and divide it by 2:
26,210,779 ÷ 2 = 13,105,389.5
If the quotient is a whole number, then 2 and 13,105,389.5 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 | 26,210,779 | |
| -1 | -26,210,779 |
Now, we try dividing 26,210,779 by 3:
26,210,779 ÷ 3 = 8,736,926.3333
If the quotient is a whole number, then 3 and 8,736,926.3333 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 | 26,210,779 | |
| -1 | -26,210,779 |
Let's try dividing by 4:
26,210,779 ÷ 4 = 6,552,694.75
If the quotient is a whole number, then 4 and 6,552,694.75 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 | 26,210,779 | |
| -1 | 26,210,779 |
If you did it right, you will end up with this table:
| 1 | 7 | 31 | 43 | 53 | 217 | 301 | 371 | 1,333 | 1,643 | 2,279 | 2,809 | 9,331 | 11,501 | 15,953 | 19,663 | 70,649 | 87,079 | 120,787 | 494,543 | 609,553 | 845,509 | 3,744,397 | 26,210,779 |
| -1 | -7 | -31 | -43 | -53 | -217 | -301 | -371 | -1,333 | -1,643 | -2,279 | -2,809 | -9,331 | -11,501 | -15,953 | -19,663 | -70,649 | -87,079 | -120,787 | -494,543 | -609,553 | -845,509 | -3,744,397 | -26,210,779 |
Here are some more numbers to try:
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