A:
Positive:
1 x 310362922 x 155181464 x 77590737 x 443375614 x 221687823 x 134940428 x 110843946 x 67470292 x 337351161 x 192772322 x 96386644 x 48193
Negative:
-1 x -31036292-2 x -15518146-4 x -7759073-7 x -4433756-14 x -2216878-23 x -1349404-28 x -1108439-46 x -674702-92 x -337351-161 x -192772-322 x -96386-644 x -48193
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 31,036,292, 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 | 31,036,292 | |
| -1 | -31,036,292 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 31,036,292.
Example:
1 x 31,036,292 = 31,036,292
and
-1 x -31,036,292 = 31,036,292
Notice both answers equal 31,036,292
With that explanation out of the way, let's continue. Next, we take the number 31,036,292 and divide it by 2:
31,036,292 ÷ 2 = 15,518,146
If the quotient is a whole number, then 2 and 15,518,146 are factors. In this case, the quotient is a whole number. Write them in the table inside the other two factors like the below example. Don't forget to write the negative numbers too!
Here is what our table should look like at this step:
| 1 | 2 | 15,518,146 | 31,036,292 | |
| -1 | -2 | -15,518,146 | -31,036,292 |
Now, we try dividing 31,036,292 by 3:
31,036,292 ÷ 3 = 10,345,430.6667
If the quotient is a whole number, then 3 and 10,345,430.6667 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 | 2 | 15,518,146 | 31,036,292 | |
| -1 | -2 | -15,518,146 | -31,036,292 |
Let's try dividing by 4:
31,036,292 ÷ 4 = 7,759,073
If the quotient is a whole number, then 4 and 7,759,073 are factors. In this case, the quotient is a whole number. Write them in the table inside the other two factors like the below example. Don't forget to write the negative numbers too!
Here is what our table should look like at this step:
| 1 | 2 | 4 | 7,759,073 | 15,518,146 | 31,036,292 | |
| -1 | -2 | -4 | -7,759,073 | -15,518,146 | 31,036,292 |
If you did it right, you will end up with this table:
| 1 | 2 | 4 | 7 | 14 | 23 | 28 | 46 | 92 | 161 | 322 | 644 | 48,193 | 96,386 | 192,772 | 337,351 | 674,702 | 1,108,439 | 1,349,404 | 2,216,878 | 4,433,756 | 7,759,073 | 15,518,146 | 31,036,292 |
| -1 | -2 | -4 | -7 | -14 | -23 | -28 | -46 | -92 | -161 | -322 | -644 | -48,193 | -96,386 | -192,772 | -337,351 | -674,702 | -1,108,439 | -1,349,404 | -2,216,878 | -4,433,756 | -7,759,073 | -15,518,146 | -31,036,292 |
Here are some more numbers to try:
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