A:
Positive:
1 x 25751955 x 5150397 x 36788523 x 11196535 x 7357749 x 52555115 x 22393161 x 15995245 x 10511457 x 5635805 x 31991127 x 2285
Negative:
-1 x -2575195-5 x -515039-7 x -367885-23 x -111965-35 x -73577-49 x -52555-115 x -22393-161 x -15995-245 x -10511-457 x -5635-805 x -3199-1127 x -2285
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 2,575,195, 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 | 2,575,195 | |
| -1 | -2,575,195 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 2,575,195.
Example:
1 x 2,575,195 = 2,575,195
and
-1 x -2,575,195 = 2,575,195
Notice both answers equal 2,575,195
With that explanation out of the way, let's continue. Next, we take the number 2,575,195 and divide it by 2:
2,575,195 ÷ 2 = 1,287,597.5
If the quotient is a whole number, then 2 and 1,287,597.5 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 | 2,575,195 | |
| -1 | -2,575,195 |
Now, we try dividing 2,575,195 by 3:
2,575,195 ÷ 3 = 858,398.3333
If the quotient is a whole number, then 3 and 858,398.3333 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 | 2,575,195 | |
| -1 | -2,575,195 |
Let's try dividing by 4:
2,575,195 ÷ 4 = 643,798.75
If the quotient is a whole number, then 4 and 643,798.75 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 | 2,575,195 | |
| -1 | 2,575,195 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 23 | 35 | 49 | 115 | 161 | 245 | 457 | 805 | 1,127 | 2,285 | 3,199 | 5,635 | 10,511 | 15,995 | 22,393 | 52,555 | 73,577 | 111,965 | 367,885 | 515,039 | 2,575,195 |
| -1 | -5 | -7 | -23 | -35 | -49 | -115 | -161 | -245 | -457 | -805 | -1,127 | -2,285 | -3,199 | -5,635 | -10,511 | -15,995 | -22,393 | -52,555 | -73,577 | -111,965 | -367,885 | -515,039 | -2,575,195 |
Here are some more numbers to try:
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