A:
Positive:
1 x 420536755 x 841073525 x 168214779 x 532325107 x 393025199 x 211325395 x 106465535 x 78605995 x 422651975 x 212932675 x 157214975 x 8453
Negative:
-1 x -42053675-5 x -8410735-25 x -1682147-79 x -532325-107 x -393025-199 x -211325-395 x -106465-535 x -78605-995 x -42265-1975 x -21293-2675 x -15721-4975 x -8453
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 42,053,675, 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 | 42,053,675 | |
| -1 | -42,053,675 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 42,053,675.
Example:
1 x 42,053,675 = 42,053,675
and
-1 x -42,053,675 = 42,053,675
Notice both answers equal 42,053,675
With that explanation out of the way, let's continue. Next, we take the number 42,053,675 and divide it by 2:
42,053,675 ÷ 2 = 21,026,837.5
If the quotient is a whole number, then 2 and 21,026,837.5 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 | 42,053,675 | |
| -1 | -42,053,675 |
Now, we try dividing 42,053,675 by 3:
42,053,675 ÷ 3 = 14,017,891.6667
If the quotient is a whole number, then 3 and 14,017,891.6667 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 | 42,053,675 | |
| -1 | -42,053,675 |
Let's try dividing by 4:
42,053,675 ÷ 4 = 10,513,418.75
If the quotient is a whole number, then 4 and 10,513,418.75 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 | 42,053,675 | |
| -1 | 42,053,675 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 79 | 107 | 199 | 395 | 535 | 995 | 1,975 | 2,675 | 4,975 | 8,453 | 15,721 | 21,293 | 42,265 | 78,605 | 106,465 | 211,325 | 393,025 | 532,325 | 1,682,147 | 8,410,735 | 42,053,675 |
| -1 | -5 | -25 | -79 | -107 | -199 | -395 | -535 | -995 | -1,975 | -2,675 | -4,975 | -8,453 | -15,721 | -21,293 | -42,265 | -78,605 | -106,465 | -211,325 | -393,025 | -532,325 | -1,682,147 | -8,410,735 | -42,053,675 |
Here are some more numbers to try:
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