A:
Positive:
1 x 1055701997 x 1508145761 x 1730659427 x 247237457 x 231007541 x 1951393199 x 330013787 x 27877
Negative:
-1 x -105570199-7 x -15081457-61 x -1730659-427 x -247237-457 x -231007-541 x -195139-3199 x -33001-3787 x -27877
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 105,570,199, 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 | 105,570,199 | |
| -1 | -105,570,199 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 105,570,199.
Example:
1 x 105,570,199 = 105,570,199
and
-1 x -105,570,199 = 105,570,199
Notice both answers equal 105,570,199
With that explanation out of the way, let's continue. Next, we take the number 105,570,199 and divide it by 2:
105,570,199 ÷ 2 = 52,785,099.5
If the quotient is a whole number, then 2 and 52,785,099.5 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 | 105,570,199 | |
| -1 | -105,570,199 |
Now, we try dividing 105,570,199 by 3:
105,570,199 ÷ 3 = 35,190,066.3333
If the quotient is a whole number, then 3 and 35,190,066.3333 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 | 105,570,199 | |
| -1 | -105,570,199 |
Let's try dividing by 4:
105,570,199 ÷ 4 = 26,392,549.75
If the quotient is a whole number, then 4 and 26,392,549.75 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 | 105,570,199 | |
| -1 | 105,570,199 |
If you did it right, you will end up with this table:
| 1 | 7 | 61 | 427 | 457 | 541 | 3,199 | 3,787 | 27,877 | 33,001 | 195,139 | 231,007 | 247,237 | 1,730,659 | 15,081,457 | 105,570,199 |
| -1 | -7 | -61 | -427 | -457 | -541 | -3,199 | -3,787 | -27,877 | -33,001 | -195,139 | -231,007 | -247,237 | -1,730,659 | -15,081,457 | -105,570,199 |
Here are some more numbers to try:
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