A:
Positive:
1 x 658053417 x 940076319 x 346343979 x 832979133 x 494777553 x 1189971501 x 438416263 x 10507
Negative:
-1 x -65805341-7 x -9400763-19 x -3463439-79 x -832979-133 x -494777-553 x -118997-1501 x -43841-6263 x -10507
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 65,805,341, 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 | 65,805,341 | |
| -1 | -65,805,341 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 65,805,341.
Example:
1 x 65,805,341 = 65,805,341
and
-1 x -65,805,341 = 65,805,341
Notice both answers equal 65,805,341
With that explanation out of the way, let's continue. Next, we take the number 65,805,341 and divide it by 2:
65,805,341 ÷ 2 = 32,902,670.5
If the quotient is a whole number, then 2 and 32,902,670.5 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 | 65,805,341 | |
| -1 | -65,805,341 |
Now, we try dividing 65,805,341 by 3:
65,805,341 ÷ 3 = 21,935,113.6667
If the quotient is a whole number, then 3 and 21,935,113.6667 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 | 65,805,341 | |
| -1 | -65,805,341 |
Let's try dividing by 4:
65,805,341 ÷ 4 = 16,451,335.25
If the quotient is a whole number, then 4 and 16,451,335.25 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 | 65,805,341 | |
| -1 | 65,805,341 |
If you did it right, you will end up with this table:
| 1 | 7 | 19 | 79 | 133 | 553 | 1,501 | 6,263 | 10,507 | 43,841 | 118,997 | 494,777 | 832,979 | 3,463,439 | 9,400,763 | 65,805,341 |
| -1 | -7 | -19 | -79 | -133 | -553 | -1,501 | -6,263 | -10,507 | -43,841 | -118,997 | -494,777 | -832,979 | -3,463,439 | -9,400,763 | -65,805,341 |
Here are some more numbers to try:
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