A:
Positive:
1 x 653221455 x 130644297 x 933173535 x 186634749 x 133310559 x 1107155245 x 266621295 x 221431413 x 1581652065 x 316332891 x 225954519 x 14455
Negative:
-1 x -65322145-5 x -13064429-7 x -9331735-35 x -1866347-49 x -1333105-59 x -1107155-245 x -266621-295 x -221431-413 x -158165-2065 x -31633-2891 x -22595-4519 x -14455
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 65,322,145, 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 | 65,322,145 | |
| -1 | -65,322,145 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 65,322,145.
Example:
1 x 65,322,145 = 65,322,145
and
-1 x -65,322,145 = 65,322,145
Notice both answers equal 65,322,145
With that explanation out of the way, let's continue. Next, we take the number 65,322,145 and divide it by 2:
65,322,145 ÷ 2 = 32,661,072.5
If the quotient is a whole number, then 2 and 32,661,072.5 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 | 65,322,145 | |
| -1 | -65,322,145 |
Now, we try dividing 65,322,145 by 3:
65,322,145 ÷ 3 = 21,774,048.3333
If the quotient is a whole number, then 3 and 21,774,048.3333 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 | 65,322,145 | |
| -1 | -65,322,145 |
Let's try dividing by 4:
65,322,145 ÷ 4 = 16,330,536.25
If the quotient is a whole number, then 4 and 16,330,536.25 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 | 65,322,145 | |
| -1 | 65,322,145 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 49 | 59 | 245 | 295 | 413 | 2,065 | 2,891 | 4,519 | 14,455 | 22,595 | 31,633 | 158,165 | 221,431 | 266,621 | 1,107,155 | 1,333,105 | 1,866,347 | 9,331,735 | 13,064,429 | 65,322,145 |
| -1 | -5 | -7 | -35 | -49 | -59 | -245 | -295 | -413 | -2,065 | -2,891 | -4,519 | -14,455 | -22,595 | -31,633 | -158,165 | -221,431 | -266,621 | -1,107,155 | -1,333,105 | -1,866,347 | -9,331,735 | -13,064,429 | -65,322,145 |
Here are some more numbers to try:
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