A:
Positive:
1 x 1441275555 x 2882551111 x 1310250513 x 1108673555 x 262050165 x 2217347143 x 1007885715 x 201577
Negative:
-1 x -144127555-5 x -28825511-11 x -13102505-13 x -11086735-55 x -2620501-65 x -2217347-143 x -1007885-715 x -201577
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 144,127,555, 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 | 144,127,555 | |
| -1 | -144,127,555 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 144,127,555.
Example:
1 x 144,127,555 = 144,127,555
and
-1 x -144,127,555 = 144,127,555
Notice both answers equal 144,127,555
With that explanation out of the way, let's continue. Next, we take the number 144,127,555 and divide it by 2:
144,127,555 ÷ 2 = 72,063,777.5
If the quotient is a whole number, then 2 and 72,063,777.5 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 | 144,127,555 | |
| -1 | -144,127,555 |
Now, we try dividing 144,127,555 by 3:
144,127,555 ÷ 3 = 48,042,518.3333
If the quotient is a whole number, then 3 and 48,042,518.3333 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 | 144,127,555 | |
| -1 | -144,127,555 |
Let's try dividing by 4:
144,127,555 ÷ 4 = 36,031,888.75
If the quotient is a whole number, then 4 and 36,031,888.75 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 | 144,127,555 | |
| -1 | 144,127,555 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 13 | 55 | 65 | 143 | 715 | 201,577 | 1,007,885 | 2,217,347 | 2,620,501 | 11,086,735 | 13,102,505 | 28,825,511 | 144,127,555 |
| -1 | -5 | -11 | -13 | -55 | -65 | -143 | -715 | -201,577 | -1,007,885 | -2,217,347 | -2,620,501 | -11,086,735 | -13,102,505 | -28,825,511 | -144,127,555 |
Here are some more numbers to try:
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