A:
Positive:
1 x 41125155 x 82250311 x 37386523 x 17880555 x 74773115 x 35761253 x 162551265 x 3251
Negative:
-1 x -4112515-5 x -822503-11 x -373865-23 x -178805-55 x -74773-115 x -35761-253 x -16255-1265 x -3251
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 4,112,515, 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 | 4,112,515 | |
| -1 | -4,112,515 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 4,112,515.
Example:
1 x 4,112,515 = 4,112,515
and
-1 x -4,112,515 = 4,112,515
Notice both answers equal 4,112,515
With that explanation out of the way, let's continue. Next, we take the number 4,112,515 and divide it by 2:
4,112,515 ÷ 2 = 2,056,257.5
If the quotient is a whole number, then 2 and 2,056,257.5 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 | 4,112,515 | |
| -1 | -4,112,515 |
Now, we try dividing 4,112,515 by 3:
4,112,515 ÷ 3 = 1,370,838.3333
If the quotient is a whole number, then 3 and 1,370,838.3333 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 | 4,112,515 | |
| -1 | -4,112,515 |
Let's try dividing by 4:
4,112,515 ÷ 4 = 1,028,128.75
If the quotient is a whole number, then 4 and 1,028,128.75 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 | 4,112,515 | |
| -1 | 4,112,515 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 23 | 55 | 115 | 253 | 1,265 | 3,251 | 16,255 | 35,761 | 74,773 | 178,805 | 373,865 | 822,503 | 4,112,515 |
| -1 | -5 | -11 | -23 | -55 | -115 | -253 | -1,265 | -3,251 | -16,255 | -35,761 | -74,773 | -178,805 | -373,865 | -822,503 | -4,112,515 |
Here are some more numbers to try:
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