A:
Positive:
1 x 1301762777 x 1859661111 x 1183420719 x 685138377 x 1690601121 x 1075837133 x 978769209 x 622853847 x 1536911463 x 889792299 x 566238089 x 16093
Negative:
-1 x -130176277-7 x -18596611-11 x -11834207-19 x -6851383-77 x -1690601-121 x -1075837-133 x -978769-209 x -622853-847 x -153691-1463 x -88979-2299 x -56623-8089 x -16093
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 130,176,277, 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 | 130,176,277 | |
| -1 | -130,176,277 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 130,176,277.
Example:
1 x 130,176,277 = 130,176,277
and
-1 x -130,176,277 = 130,176,277
Notice both answers equal 130,176,277
With that explanation out of the way, let's continue. Next, we take the number 130,176,277 and divide it by 2:
130,176,277 ÷ 2 = 65,088,138.5
If the quotient is a whole number, then 2 and 65,088,138.5 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 | 130,176,277 | |
| -1 | -130,176,277 |
Now, we try dividing 130,176,277 by 3:
130,176,277 ÷ 3 = 43,392,092.3333
If the quotient is a whole number, then 3 and 43,392,092.3333 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 | 130,176,277 | |
| -1 | -130,176,277 |
Let's try dividing by 4:
130,176,277 ÷ 4 = 32,544,069.25
If the quotient is a whole number, then 4 and 32,544,069.25 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 | 130,176,277 | |
| -1 | 130,176,277 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 19 | 77 | 121 | 133 | 209 | 847 | 1,463 | 2,299 | 8,089 | 16,093 | 56,623 | 88,979 | 153,691 | 622,853 | 978,769 | 1,075,837 | 1,690,601 | 6,851,383 | 11,834,207 | 18,596,611 | 130,176,277 |
| -1 | -7 | -11 | -19 | -77 | -121 | -133 | -209 | -847 | -1,463 | -2,299 | -8,089 | -16,093 | -56,623 | -88,979 | -153,691 | -622,853 | -978,769 | -1,075,837 | -1,690,601 | -6,851,383 | -11,834,207 | -18,596,611 | -130,176,277 |
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