A:
Positive:
1 x 1377155655 x 2754311313 x 1059350565 x 211870179 x 1743235169 x 814885395 x 348647845 x 1629771027 x 1340952063 x 667555135 x 2681910315 x 13351
Negative:
-1 x -137715565-5 x -27543113-13 x -10593505-65 x -2118701-79 x -1743235-169 x -814885-395 x -348647-845 x -162977-1027 x -134095-2063 x -66755-5135 x -26819-10315 x -13351
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 137,715,565, 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 | 137,715,565 | |
| -1 | -137,715,565 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 137,715,565.
Example:
1 x 137,715,565 = 137,715,565
and
-1 x -137,715,565 = 137,715,565
Notice both answers equal 137,715,565
With that explanation out of the way, let's continue. Next, we take the number 137,715,565 and divide it by 2:
137,715,565 ÷ 2 = 68,857,782.5
If the quotient is a whole number, then 2 and 68,857,782.5 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 | 137,715,565 | |
| -1 | -137,715,565 |
Now, we try dividing 137,715,565 by 3:
137,715,565 ÷ 3 = 45,905,188.3333
If the quotient is a whole number, then 3 and 45,905,188.3333 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 | 137,715,565 | |
| -1 | -137,715,565 |
Let's try dividing by 4:
137,715,565 ÷ 4 = 34,428,891.25
If the quotient is a whole number, then 4 and 34,428,891.25 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 | 137,715,565 | |
| -1 | 137,715,565 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 65 | 79 | 169 | 395 | 845 | 1,027 | 2,063 | 5,135 | 10,315 | 13,351 | 26,819 | 66,755 | 134,095 | 162,977 | 348,647 | 814,885 | 1,743,235 | 2,118,701 | 10,593,505 | 27,543,113 | 137,715,565 |
| -1 | -5 | -13 | -65 | -79 | -169 | -395 | -845 | -1,027 | -2,063 | -5,135 | -10,315 | -13,351 | -26,819 | -66,755 | -134,095 | -162,977 | -348,647 | -814,885 | -1,743,235 | -2,118,701 | -10,593,505 | -27,543,113 | -137,715,565 |
Here are some more numbers to try:
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