A:
Positive:
1 x 652410255 x 1304820525 x 260964161 x 1069525179 x 364475239 x 272975305 x 213905895 x 728951195 x 545951525 x 427814475 x 145795975 x 10919
Negative:
-1 x -65241025-5 x -13048205-25 x -2609641-61 x -1069525-179 x -364475-239 x -272975-305 x -213905-895 x -72895-1195 x -54595-1525 x -42781-4475 x -14579-5975 x -10919
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 65,241,025, 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 | 65,241,025 | |
| -1 | -65,241,025 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 65,241,025.
Example:
1 x 65,241,025 = 65,241,025
and
-1 x -65,241,025 = 65,241,025
Notice both answers equal 65,241,025
With that explanation out of the way, let's continue. Next, we take the number 65,241,025 and divide it by 2:
65,241,025 ÷ 2 = 32,620,512.5
If the quotient is a whole number, then 2 and 32,620,512.5 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 | 65,241,025 | |
| -1 | -65,241,025 |
Now, we try dividing 65,241,025 by 3:
65,241,025 ÷ 3 = 21,747,008.3333
If the quotient is a whole number, then 3 and 21,747,008.3333 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 | 65,241,025 | |
| -1 | -65,241,025 |
Let's try dividing by 4:
65,241,025 ÷ 4 = 16,310,256.25
If the quotient is a whole number, then 4 and 16,310,256.25 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 | 65,241,025 | |
| -1 | 65,241,025 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 61 | 179 | 239 | 305 | 895 | 1,195 | 1,525 | 4,475 | 5,975 | 10,919 | 14,579 | 42,781 | 54,595 | 72,895 | 213,905 | 272,975 | 364,475 | 1,069,525 | 2,609,641 | 13,048,205 | 65,241,025 |
| -1 | -5 | -25 | -61 | -179 | -239 | -305 | -895 | -1,195 | -1,525 | -4,475 | -5,975 | -10,919 | -14,579 | -42,781 | -54,595 | -72,895 | -213,905 | -272,975 | -364,475 | -1,069,525 | -2,609,641 | -13,048,205 | -65,241,025 |
Here are some more numbers to try:
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