A:
Positive:
1 x 6755777331 x 217928343 x 157111159 x 1145047859 x 786471333 x 506811829 x 369372537 x 26629
Negative:
-1 x -67557773-31 x -2179283-43 x -1571111-59 x -1145047-859 x -78647-1333 x -50681-1829 x -36937-2537 x -26629
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 67,557,773, 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 | 67,557,773 | |
| -1 | -67,557,773 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 67,557,773.
Example:
1 x 67,557,773 = 67,557,773
and
-1 x -67,557,773 = 67,557,773
Notice both answers equal 67,557,773
With that explanation out of the way, let's continue. Next, we take the number 67,557,773 and divide it by 2:
67,557,773 ÷ 2 = 33,778,886.5
If the quotient is a whole number, then 2 and 33,778,886.5 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 | 67,557,773 | |
| -1 | -67,557,773 |
Now, we try dividing 67,557,773 by 3:
67,557,773 ÷ 3 = 22,519,257.6667
If the quotient is a whole number, then 3 and 22,519,257.6667 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 | 67,557,773 | |
| -1 | -67,557,773 |
Let's try dividing by 4:
67,557,773 ÷ 4 = 16,889,443.25
If the quotient is a whole number, then 4 and 16,889,443.25 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 | 67,557,773 | |
| -1 | 67,557,773 |
If you did it right, you will end up with this table:
| 1 | 31 | 43 | 59 | 859 | 1,333 | 1,829 | 2,537 | 26,629 | 36,937 | 50,681 | 78,647 | 1,145,047 | 1,571,111 | 2,179,283 | 67,557,773 |
| -1 | -31 | -43 | -59 | -859 | -1,333 | -1,829 | -2,537 | -26,629 | -36,937 | -50,681 | -78,647 | -1,145,047 | -1,571,111 | -2,179,283 | -67,557,773 |
Here are some more numbers to try:
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