A:
Positive:
1 x 1406076355 x 281215277 x 2008680535 x 401736143 x 3269945215 x 653989301 x 4671351505 x 93427
Negative:
-1 x -140607635-5 x -28121527-7 x -20086805-35 x -4017361-43 x -3269945-215 x -653989-301 x -467135-1505 x -93427
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 140,607,635, 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 | 140,607,635 | |
| -1 | -140,607,635 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 140,607,635.
Example:
1 x 140,607,635 = 140,607,635
and
-1 x -140,607,635 = 140,607,635
Notice both answers equal 140,607,635
With that explanation out of the way, let's continue. Next, we take the number 140,607,635 and divide it by 2:
140,607,635 ÷ 2 = 70,303,817.5
If the quotient is a whole number, then 2 and 70,303,817.5 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 | 140,607,635 | |
| -1 | -140,607,635 |
Now, we try dividing 140,607,635 by 3:
140,607,635 ÷ 3 = 46,869,211.6667
If the quotient is a whole number, then 3 and 46,869,211.6667 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 | 140,607,635 | |
| -1 | -140,607,635 |
Let's try dividing by 4:
140,607,635 ÷ 4 = 35,151,908.75
If the quotient is a whole number, then 4 and 35,151,908.75 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 | 140,607,635 | |
| -1 | 140,607,635 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 43 | 215 | 301 | 1,505 | 93,427 | 467,135 | 653,989 | 3,269,945 | 4,017,361 | 20,086,805 | 28,121,527 | 140,607,635 |
| -1 | -5 | -7 | -35 | -43 | -215 | -301 | -1,505 | -93,427 | -467,135 | -653,989 | -3,269,945 | -4,017,361 | -20,086,805 | -28,121,527 | -140,607,635 |
Here are some more numbers to try:
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