A:
Positive:
1 x 2274007197 x 3248581713 x 1749236341 x 554635949 x 464083191 x 2498909287 x 792337533 x 426643637 x 3569872009 x 1131913731 x 609498707 x 26117
Negative:
-1 x -227400719-7 x -32485817-13 x -17492363-41 x -5546359-49 x -4640831-91 x -2498909-287 x -792337-533 x -426643-637 x -356987-2009 x -113191-3731 x -60949-8707 x -26117
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 227,400,719, 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 | 227,400,719 | |
| -1 | -227,400,719 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 227,400,719.
Example:
1 x 227,400,719 = 227,400,719
and
-1 x -227,400,719 = 227,400,719
Notice both answers equal 227,400,719
With that explanation out of the way, let's continue. Next, we take the number 227,400,719 and divide it by 2:
227,400,719 ÷ 2 = 113,700,359.5
If the quotient is a whole number, then 2 and 113,700,359.5 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 | 227,400,719 | |
| -1 | -227,400,719 |
Now, we try dividing 227,400,719 by 3:
227,400,719 ÷ 3 = 75,800,239.6667
If the quotient is a whole number, then 3 and 75,800,239.6667 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 | 227,400,719 | |
| -1 | -227,400,719 |
Let's try dividing by 4:
227,400,719 ÷ 4 = 56,850,179.75
If the quotient is a whole number, then 4 and 56,850,179.75 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 | 227,400,719 | |
| -1 | 227,400,719 |
If you did it right, you will end up with this table:
| 1 | 7 | 13 | 41 | 49 | 91 | 287 | 533 | 637 | 2,009 | 3,731 | 8,707 | 26,117 | 60,949 | 113,191 | 356,987 | 426,643 | 792,337 | 2,498,909 | 4,640,831 | 5,546,359 | 17,492,363 | 32,485,817 | 227,400,719 |
| -1 | -7 | -13 | -41 | -49 | -91 | -287 | -533 | -637 | -2,009 | -3,731 | -8,707 | -26,117 | -60,949 | -113,191 | -356,987 | -426,643 | -792,337 | -2,498,909 | -4,640,831 | -5,546,359 | -17,492,363 | -32,485,817 | -227,400,719 |
Here are some more numbers to try:
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