A:
Positive:
1 x 64860255 x 12972057 x 92657513 x 49892525 x 25944135 x 18531565 x 9978591 x 71275175 x 37063325 x 19957455 x 142552275 x 2851
Negative:
-1 x -6486025-5 x -1297205-7 x -926575-13 x -498925-25 x -259441-35 x -185315-65 x -99785-91 x -71275-175 x -37063-325 x -19957-455 x -14255-2275 x -2851
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 6,486,025, 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 | 6,486,025 | |
| -1 | -6,486,025 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 6,486,025.
Example:
1 x 6,486,025 = 6,486,025
and
-1 x -6,486,025 = 6,486,025
Notice both answers equal 6,486,025
With that explanation out of the way, let's continue. Next, we take the number 6,486,025 and divide it by 2:
6,486,025 ÷ 2 = 3,243,012.5
If the quotient is a whole number, then 2 and 3,243,012.5 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 | 6,486,025 | |
| -1 | -6,486,025 |
Now, we try dividing 6,486,025 by 3:
6,486,025 ÷ 3 = 2,162,008.3333
If the quotient is a whole number, then 3 and 2,162,008.3333 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 | 6,486,025 | |
| -1 | -6,486,025 |
Let's try dividing by 4:
6,486,025 ÷ 4 = 1,621,506.25
If the quotient is a whole number, then 4 and 1,621,506.25 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 | 6,486,025 | |
| -1 | 6,486,025 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 13 | 25 | 35 | 65 | 91 | 175 | 325 | 455 | 2,275 | 2,851 | 14,255 | 19,957 | 37,063 | 71,275 | 99,785 | 185,315 | 259,441 | 498,925 | 926,575 | 1,297,205 | 6,486,025 |
| -1 | -5 | -7 | -13 | -25 | -35 | -65 | -91 | -175 | -325 | -455 | -2,275 | -2,851 | -14,255 | -19,957 | -37,063 | -71,275 | -99,785 | -185,315 | -259,441 | -498,925 | -926,575 | -1,297,205 | -6,486,025 |
Here are some more numbers to try:
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