A:
Positive:
1 x 3137540777 x 4482201113 x 2413492991 x 3447847169 x 1856533337 x 931021787 x 3986711183 x 2652192359 x 1330034381 x 716175509 x 5695310231 x 30667
Negative:
-1 x -313754077-7 x -44822011-13 x -24134929-91 x -3447847-169 x -1856533-337 x -931021-787 x -398671-1183 x -265219-2359 x -133003-4381 x -71617-5509 x -56953-10231 x -30667
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 313,754,077, 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 | 313,754,077 | |
| -1 | -313,754,077 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 313,754,077.
Example:
1 x 313,754,077 = 313,754,077
and
-1 x -313,754,077 = 313,754,077
Notice both answers equal 313,754,077
With that explanation out of the way, let's continue. Next, we take the number 313,754,077 and divide it by 2:
313,754,077 ÷ 2 = 156,877,038.5
If the quotient is a whole number, then 2 and 156,877,038.5 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 | 313,754,077 | |
| -1 | -313,754,077 |
Now, we try dividing 313,754,077 by 3:
313,754,077 ÷ 3 = 104,584,692.3333
If the quotient is a whole number, then 3 and 104,584,692.3333 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 | 313,754,077 | |
| -1 | -313,754,077 |
Let's try dividing by 4:
313,754,077 ÷ 4 = 78,438,519.25
If the quotient is a whole number, then 4 and 78,438,519.25 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 | 313,754,077 | |
| -1 | 313,754,077 |
If you did it right, you will end up with this table:
| 1 | 7 | 13 | 91 | 169 | 337 | 787 | 1,183 | 2,359 | 4,381 | 5,509 | 10,231 | 30,667 | 56,953 | 71,617 | 133,003 | 265,219 | 398,671 | 931,021 | 1,856,533 | 3,447,847 | 24,134,929 | 44,822,011 | 313,754,077 |
| -1 | -7 | -13 | -91 | -169 | -337 | -787 | -1,183 | -2,359 | -4,381 | -5,509 | -10,231 | -30,667 | -56,953 | -71,617 | -133,003 | -265,219 | -398,671 | -931,021 | -1,856,533 | -3,447,847 | -24,134,929 | -44,822,011 | -313,754,077 |
Here are some more numbers to try:
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