A:
Positive:
1 x 14721226311 x 1338293341 x 359054343 x 3423541451 x 326413473 x 3112311763 x 835017591 x 19393
Negative:
-1 x -147212263-11 x -13382933-41 x -3590543-43 x -3423541-451 x -326413-473 x -311231-1763 x -83501-7591 x -19393
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 147,212,263, 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 | 147,212,263 | |
| -1 | -147,212,263 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 147,212,263.
Example:
1 x 147,212,263 = 147,212,263
and
-1 x -147,212,263 = 147,212,263
Notice both answers equal 147,212,263
With that explanation out of the way, let's continue. Next, we take the number 147,212,263 and divide it by 2:
147,212,263 ÷ 2 = 73,606,131.5
If the quotient is a whole number, then 2 and 73,606,131.5 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 | 147,212,263 | |
| -1 | -147,212,263 |
Now, we try dividing 147,212,263 by 3:
147,212,263 ÷ 3 = 49,070,754.3333
If the quotient is a whole number, then 3 and 49,070,754.3333 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 | 147,212,263 | |
| -1 | -147,212,263 |
Let's try dividing by 4:
147,212,263 ÷ 4 = 36,803,065.75
If the quotient is a whole number, then 4 and 36,803,065.75 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 | 147,212,263 | |
| -1 | 147,212,263 |
If you did it right, you will end up with this table:
| 1 | 11 | 41 | 43 | 451 | 473 | 1,763 | 7,591 | 19,393 | 83,501 | 311,231 | 326,413 | 3,423,541 | 3,590,543 | 13,382,933 | 147,212,263 |
| -1 | -11 | -41 | -43 | -451 | -473 | -1,763 | -7,591 | -19,393 | -83,501 | -311,231 | -326,413 | -3,423,541 | -3,590,543 | -13,382,933 | -147,212,263 |
Here are some more numbers to try:
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