A:
Positive:
1 x 2746858877 x 3924084159 x 4655693127 x 2162881413 x 665099889 x 3089835237 x 524517493 x 36659
Negative:
-1 x -274685887-7 x -39240841-59 x -4655693-127 x -2162881-413 x -665099-889 x -308983-5237 x -52451-7493 x -36659
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 274,685,887, 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 | 274,685,887 | |
| -1 | -274,685,887 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 274,685,887.
Example:
1 x 274,685,887 = 274,685,887
and
-1 x -274,685,887 = 274,685,887
Notice both answers equal 274,685,887
With that explanation out of the way, let's continue. Next, we take the number 274,685,887 and divide it by 2:
274,685,887 ÷ 2 = 137,342,943.5
If the quotient is a whole number, then 2 and 137,342,943.5 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 | 274,685,887 | |
| -1 | -274,685,887 |
Now, we try dividing 274,685,887 by 3:
274,685,887 ÷ 3 = 91,561,962.3333
If the quotient is a whole number, then 3 and 91,561,962.3333 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 | 274,685,887 | |
| -1 | -274,685,887 |
Let's try dividing by 4:
274,685,887 ÷ 4 = 68,671,471.75
If the quotient is a whole number, then 4 and 68,671,471.75 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 | 274,685,887 | |
| -1 | 274,685,887 |
If you did it right, you will end up with this table:
| 1 | 7 | 59 | 127 | 413 | 889 | 5,237 | 7,493 | 36,659 | 52,451 | 308,983 | 665,099 | 2,162,881 | 4,655,693 | 39,240,841 | 274,685,887 |
| -1 | -7 | -59 | -127 | -413 | -889 | -5,237 | -7,493 | -36,659 | -52,451 | -308,983 | -665,099 | -2,162,881 | -4,655,693 | -39,240,841 | -274,685,887 |
Here are some more numbers to try:
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