A:
Positive:
1 x 4015631755 x 8031263513 x 3088947525 x 1606252765 x 6177895191 x 2102425325 x 1235579955 x 4204852483 x 1617254775 x 840976469 x 6207512415 x 32345
Negative:
-1 x -401563175-5 x -80312635-13 x -30889475-25 x -16062527-65 x -6177895-191 x -2102425-325 x -1235579-955 x -420485-2483 x -161725-4775 x -84097-6469 x -62075-12415 x -32345
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 401,563,175, 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 | 401,563,175 | |
| -1 | -401,563,175 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 401,563,175.
Example:
1 x 401,563,175 = 401,563,175
and
-1 x -401,563,175 = 401,563,175
Notice both answers equal 401,563,175
With that explanation out of the way, let's continue. Next, we take the number 401,563,175 and divide it by 2:
401,563,175 ÷ 2 = 200,781,587.5
If the quotient is a whole number, then 2 and 200,781,587.5 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 | 401,563,175 | |
| -1 | -401,563,175 |
Now, we try dividing 401,563,175 by 3:
401,563,175 ÷ 3 = 133,854,391.6667
If the quotient is a whole number, then 3 and 133,854,391.6667 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 | 401,563,175 | |
| -1 | -401,563,175 |
Let's try dividing by 4:
401,563,175 ÷ 4 = 100,390,793.75
If the quotient is a whole number, then 4 and 100,390,793.75 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 | 401,563,175 | |
| -1 | 401,563,175 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 25 | 65 | 191 | 325 | 955 | 2,483 | 4,775 | 6,469 | 12,415 | 32,345 | 62,075 | 84,097 | 161,725 | 420,485 | 1,235,579 | 2,102,425 | 6,177,895 | 16,062,527 | 30,889,475 | 80,312,635 | 401,563,175 |
| -1 | -5 | -13 | -25 | -65 | -191 | -325 | -955 | -2,483 | -4,775 | -6,469 | -12,415 | -32,345 | -62,075 | -84,097 | -161,725 | -420,485 | -1,235,579 | -2,102,425 | -6,177,895 | -16,062,527 | -30,889,475 | -80,312,635 | -401,563,175 |
Here are some more numbers to try:
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