A:
Positive:
1 x 611050255 x 1222100525 x 244420153 x 1152925107 x 571075265 x 230585431 x 141775535 x 1142151325 x 461172155 x 283552675 x 228435671 x 10775
Negative:
-1 x -61105025-5 x -12221005-25 x -2444201-53 x -1152925-107 x -571075-265 x -230585-431 x -141775-535 x -114215-1325 x -46117-2155 x -28355-2675 x -22843-5671 x -10775
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 61,105,025, 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 | 61,105,025 | |
| -1 | -61,105,025 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 61,105,025.
Example:
1 x 61,105,025 = 61,105,025
and
-1 x -61,105,025 = 61,105,025
Notice both answers equal 61,105,025
With that explanation out of the way, let's continue. Next, we take the number 61,105,025 and divide it by 2:
61,105,025 ÷ 2 = 30,552,512.5
If the quotient is a whole number, then 2 and 30,552,512.5 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 | 61,105,025 | |
| -1 | -61,105,025 |
Now, we try dividing 61,105,025 by 3:
61,105,025 ÷ 3 = 20,368,341.6667
If the quotient is a whole number, then 3 and 20,368,341.6667 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 | 61,105,025 | |
| -1 | -61,105,025 |
Let's try dividing by 4:
61,105,025 ÷ 4 = 15,276,256.25
If the quotient is a whole number, then 4 and 15,276,256.25 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 | 61,105,025 | |
| -1 | 61,105,025 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 53 | 107 | 265 | 431 | 535 | 1,325 | 2,155 | 2,675 | 5,671 | 10,775 | 22,843 | 28,355 | 46,117 | 114,215 | 141,775 | 230,585 | 571,075 | 1,152,925 | 2,444,201 | 12,221,005 | 61,105,025 |
| -1 | -5 | -25 | -53 | -107 | -265 | -431 | -535 | -1,325 | -2,155 | -2,675 | -5,671 | -10,775 | -22,843 | -28,355 | -46,117 | -114,215 | -141,775 | -230,585 | -571,075 | -1,152,925 | -2,444,201 | -12,221,005 | -61,105,025 |
Here are some more numbers to try:
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