A:
Positive:
1 x 837580155 x 1675160311 x 761436555 x 1522873121 x 692215167 x 501545605 x 138443829 x 101035835 x 1003091837 x 455954145 x 202079119 x 9185
Negative:
-1 x -83758015-5 x -16751603-11 x -7614365-55 x -1522873-121 x -692215-167 x -501545-605 x -138443-829 x -101035-835 x -100309-1837 x -45595-4145 x -20207-9119 x -9185
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 83,758,015, 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 | 83,758,015 | |
| -1 | -83,758,015 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 83,758,015.
Example:
1 x 83,758,015 = 83,758,015
and
-1 x -83,758,015 = 83,758,015
Notice both answers equal 83,758,015
With that explanation out of the way, let's continue. Next, we take the number 83,758,015 and divide it by 2:
83,758,015 ÷ 2 = 41,879,007.5
If the quotient is a whole number, then 2 and 41,879,007.5 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 | 83,758,015 | |
| -1 | -83,758,015 |
Now, we try dividing 83,758,015 by 3:
83,758,015 ÷ 3 = 27,919,338.3333
If the quotient is a whole number, then 3 and 27,919,338.3333 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 | 83,758,015 | |
| -1 | -83,758,015 |
Let's try dividing by 4:
83,758,015 ÷ 4 = 20,939,503.75
If the quotient is a whole number, then 4 and 20,939,503.75 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 | 83,758,015 | |
| -1 | 83,758,015 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 55 | 121 | 167 | 605 | 829 | 835 | 1,837 | 4,145 | 9,119 | 9,185 | 20,207 | 45,595 | 100,309 | 101,035 | 138,443 | 501,545 | 692,215 | 1,522,873 | 7,614,365 | 16,751,603 | 83,758,015 |
| -1 | -5 | -11 | -55 | -121 | -167 | -605 | -829 | -835 | -1,837 | -4,145 | -9,119 | -9,185 | -20,207 | -45,595 | -100,309 | -101,035 | -138,443 | -501,545 | -692,215 | -1,522,873 | -7,614,365 | -16,751,603 | -83,758,015 |
Here are some more numbers to try:
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