A:
Positive:
1 x 615560055 x 123112017 x 879371535 x 175874343 x 143153549 x 1256245215 x 286307245 x 251249301 x 2045051505 x 409012107 x 292155843 x 10535
Negative:
-1 x -61556005-5 x -12311201-7 x -8793715-35 x -1758743-43 x -1431535-49 x -1256245-215 x -286307-245 x -251249-301 x -204505-1505 x -40901-2107 x -29215-5843 x -10535
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 61,556,005, 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 | 61,556,005 | |
| -1 | -61,556,005 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 61,556,005.
Example:
1 x 61,556,005 = 61,556,005
and
-1 x -61,556,005 = 61,556,005
Notice both answers equal 61,556,005
With that explanation out of the way, let's continue. Next, we take the number 61,556,005 and divide it by 2:
61,556,005 ÷ 2 = 30,778,002.5
If the quotient is a whole number, then 2 and 30,778,002.5 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 | 61,556,005 | |
| -1 | -61,556,005 |
Now, we try dividing 61,556,005 by 3:
61,556,005 ÷ 3 = 20,518,668.3333
If the quotient is a whole number, then 3 and 20,518,668.3333 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 | 61,556,005 | |
| -1 | -61,556,005 |
Let's try dividing by 4:
61,556,005 ÷ 4 = 15,389,001.25
If the quotient is a whole number, then 4 and 15,389,001.25 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 | 61,556,005 | |
| -1 | 61,556,005 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 43 | 49 | 215 | 245 | 301 | 1,505 | 2,107 | 5,843 | 10,535 | 29,215 | 40,901 | 204,505 | 251,249 | 286,307 | 1,256,245 | 1,431,535 | 1,758,743 | 8,793,715 | 12,311,201 | 61,556,005 |
| -1 | -5 | -7 | -35 | -43 | -49 | -215 | -245 | -301 | -1,505 | -2,107 | -5,843 | -10,535 | -29,215 | -40,901 | -204,505 | -251,249 | -286,307 | -1,256,245 | -1,431,535 | -1,758,743 | -8,793,715 | -12,311,201 | -61,556,005 |
Here are some more numbers to try:
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