A:
Positive:
1 x 25360240337 x 685411953 x 478495179 x 32101571637 x 1549191961 x 1293232923 x 867614187 x 60569
Negative:
-1 x -253602403-37 x -6854119-53 x -4784951-79 x -3210157-1637 x -154919-1961 x -129323-2923 x -86761-4187 x -60569
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 253,602,403, 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 | 253,602,403 | |
| -1 | -253,602,403 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 253,602,403.
Example:
1 x 253,602,403 = 253,602,403
and
-1 x -253,602,403 = 253,602,403
Notice both answers equal 253,602,403
With that explanation out of the way, let's continue. Next, we take the number 253,602,403 and divide it by 2:
253,602,403 ÷ 2 = 126,801,201.5
If the quotient is a whole number, then 2 and 126,801,201.5 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 | 253,602,403 | |
| -1 | -253,602,403 |
Now, we try dividing 253,602,403 by 3:
253,602,403 ÷ 3 = 84,534,134.3333
If the quotient is a whole number, then 3 and 84,534,134.3333 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 | 253,602,403 | |
| -1 | -253,602,403 |
Let's try dividing by 4:
253,602,403 ÷ 4 = 63,400,600.75
If the quotient is a whole number, then 4 and 63,400,600.75 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 | 253,602,403 | |
| -1 | 253,602,403 |
If you did it right, you will end up with this table:
| 1 | 37 | 53 | 79 | 1,637 | 1,961 | 2,923 | 4,187 | 60,569 | 86,761 | 129,323 | 154,919 | 3,210,157 | 4,784,951 | 6,854,119 | 253,602,403 |
| -1 | -37 | -53 | -79 | -1,637 | -1,961 | -2,923 | -4,187 | -60,569 | -86,761 | -129,323 | -154,919 | -3,210,157 | -4,784,951 | -6,854,119 | -253,602,403 |
Here are some more numbers to try:
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