A:
Positive:
1 x 275740155 x 55148037 x 393914535 x 78782949 x 562735241 x 114415245 x 112547467 x 590451205 x 228831687 x 163452335 x 118093269 x 8435
Negative:
-1 x -27574015-5 x -5514803-7 x -3939145-35 x -787829-49 x -562735-241 x -114415-245 x -112547-467 x -59045-1205 x -22883-1687 x -16345-2335 x -11809-3269 x -8435
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 27,574,015, 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 | 27,574,015 | |
| -1 | -27,574,015 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 27,574,015.
Example:
1 x 27,574,015 = 27,574,015
and
-1 x -27,574,015 = 27,574,015
Notice both answers equal 27,574,015
With that explanation out of the way, let's continue. Next, we take the number 27,574,015 and divide it by 2:
27,574,015 ÷ 2 = 13,787,007.5
If the quotient is a whole number, then 2 and 13,787,007.5 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 | 27,574,015 | |
| -1 | -27,574,015 |
Now, we try dividing 27,574,015 by 3:
27,574,015 ÷ 3 = 9,191,338.3333
If the quotient is a whole number, then 3 and 9,191,338.3333 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 | 27,574,015 | |
| -1 | -27,574,015 |
Let's try dividing by 4:
27,574,015 ÷ 4 = 6,893,503.75
If the quotient is a whole number, then 4 and 6,893,503.75 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 | 27,574,015 | |
| -1 | 27,574,015 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 49 | 241 | 245 | 467 | 1,205 | 1,687 | 2,335 | 3,269 | 8,435 | 11,809 | 16,345 | 22,883 | 59,045 | 112,547 | 114,415 | 562,735 | 787,829 | 3,939,145 | 5,514,803 | 27,574,015 |
| -1 | -5 | -7 | -35 | -49 | -241 | -245 | -467 | -1,205 | -1,687 | -2,335 | -3,269 | -8,435 | -11,809 | -16,345 | -22,883 | -59,045 | -112,547 | -114,415 | -562,735 | -787,829 | -3,939,145 | -5,514,803 | -27,574,015 |
Here are some more numbers to try:
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