A:
Positive:
1 x 1300771155 x 260154237 x 1858244517 x 765159535 x 371648949 x 265463585 x 1530319119 x 1093085245 x 530927595 x 218617833 x 1561554165 x 31231
Negative:
-1 x -130077115-5 x -26015423-7 x -18582445-17 x -7651595-35 x -3716489-49 x -2654635-85 x -1530319-119 x -1093085-245 x -530927-595 x -218617-833 x -156155-4165 x -31231
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 130,077,115, 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 | 130,077,115 | |
| -1 | -130,077,115 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 130,077,115.
Example:
1 x 130,077,115 = 130,077,115
and
-1 x -130,077,115 = 130,077,115
Notice both answers equal 130,077,115
With that explanation out of the way, let's continue. Next, we take the number 130,077,115 and divide it by 2:
130,077,115 ÷ 2 = 65,038,557.5
If the quotient is a whole number, then 2 and 65,038,557.5 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 | 130,077,115 | |
| -1 | -130,077,115 |
Now, we try dividing 130,077,115 by 3:
130,077,115 ÷ 3 = 43,359,038.3333
If the quotient is a whole number, then 3 and 43,359,038.3333 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 | 130,077,115 | |
| -1 | -130,077,115 |
Let's try dividing by 4:
130,077,115 ÷ 4 = 32,519,278.75
If the quotient is a whole number, then 4 and 32,519,278.75 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 | 130,077,115 | |
| -1 | 130,077,115 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 17 | 35 | 49 | 85 | 119 | 245 | 595 | 833 | 4,165 | 31,231 | 156,155 | 218,617 | 530,927 | 1,093,085 | 1,530,319 | 2,654,635 | 3,716,489 | 7,651,595 | 18,582,445 | 26,015,423 | 130,077,115 |
| -1 | -5 | -7 | -17 | -35 | -49 | -85 | -119 | -245 | -595 | -833 | -4,165 | -31,231 | -156,155 | -218,617 | -530,927 | -1,093,085 | -1,530,319 | -2,654,635 | -3,716,489 | -7,651,595 | -18,582,445 | -26,015,423 | -130,077,115 |
Here are some more numbers to try:
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