A:
Positive:
1 x 152822755 x 305645525 x 61129129 x 526975107 x 142825145 x 105395197 x 77575535 x 28565725 x 21079985 x 155152675 x 57133103 x 4925
Negative:
-1 x -15282275-5 x -3056455-25 x -611291-29 x -526975-107 x -142825-145 x -105395-197 x -77575-535 x -28565-725 x -21079-985 x -15515-2675 x -5713-3103 x -4925
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 15,282,275, 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 | 15,282,275 | |
| -1 | -15,282,275 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 15,282,275.
Example:
1 x 15,282,275 = 15,282,275
and
-1 x -15,282,275 = 15,282,275
Notice both answers equal 15,282,275
With that explanation out of the way, let's continue. Next, we take the number 15,282,275 and divide it by 2:
15,282,275 ÷ 2 = 7,641,137.5
If the quotient is a whole number, then 2 and 7,641,137.5 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 | 15,282,275 | |
| -1 | -15,282,275 |
Now, we try dividing 15,282,275 by 3:
15,282,275 ÷ 3 = 5,094,091.6667
If the quotient is a whole number, then 3 and 5,094,091.6667 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 | 15,282,275 | |
| -1 | -15,282,275 |
Let's try dividing by 4:
15,282,275 ÷ 4 = 3,820,568.75
If the quotient is a whole number, then 4 and 3,820,568.75 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 | 15,282,275 | |
| -1 | 15,282,275 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 29 | 107 | 145 | 197 | 535 | 725 | 985 | 2,675 | 3,103 | 4,925 | 5,713 | 15,515 | 21,079 | 28,565 | 77,575 | 105,395 | 142,825 | 526,975 | 611,291 | 3,056,455 | 15,282,275 |
| -1 | -5 | -25 | -29 | -107 | -145 | -197 | -535 | -725 | -985 | -2,675 | -3,103 | -4,925 | -5,713 | -15,515 | -21,079 | -28,565 | -77,575 | -105,395 | -142,825 | -526,975 | -611,291 | -3,056,455 | -15,282,275 |
Here are some more numbers to try:
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