A:
Positive:
1 x 71463077 x 102090117 x 42037123 x 31070949 x 145843119 x 60053161 x 44387373 x 19159391 x 18277833 x 85791127 x 63412611 x 2737
Negative:
-1 x -7146307-7 x -1020901-17 x -420371-23 x -310709-49 x -145843-119 x -60053-161 x -44387-373 x -19159-391 x -18277-833 x -8579-1127 x -6341-2611 x -2737
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 7,146,307, 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 | 7,146,307 | |
| -1 | -7,146,307 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 7,146,307.
Example:
1 x 7,146,307 = 7,146,307
and
-1 x -7,146,307 = 7,146,307
Notice both answers equal 7,146,307
With that explanation out of the way, let's continue. Next, we take the number 7,146,307 and divide it by 2:
7,146,307 ÷ 2 = 3,573,153.5
If the quotient is a whole number, then 2 and 3,573,153.5 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 | 7,146,307 | |
| -1 | -7,146,307 |
Now, we try dividing 7,146,307 by 3:
7,146,307 ÷ 3 = 2,382,102.3333
If the quotient is a whole number, then 3 and 2,382,102.3333 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 | 7,146,307 | |
| -1 | -7,146,307 |
Let's try dividing by 4:
7,146,307 ÷ 4 = 1,786,576.75
If the quotient is a whole number, then 4 and 1,786,576.75 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 | 7,146,307 | |
| -1 | 7,146,307 |
If you did it right, you will end up with this table:
| 1 | 7 | 17 | 23 | 49 | 119 | 161 | 373 | 391 | 833 | 1,127 | 2,611 | 2,737 | 6,341 | 8,579 | 18,277 | 19,159 | 44,387 | 60,053 | 145,843 | 310,709 | 420,371 | 1,020,901 | 7,146,307 |
| -1 | -7 | -17 | -23 | -49 | -119 | -161 | -373 | -391 | -833 | -1,127 | -2,611 | -2,737 | -6,341 | -8,579 | -18,277 | -19,159 | -44,387 | -60,053 | -145,843 | -310,709 | -420,371 | -1,020,901 | -7,146,307 |
Here are some more numbers to try:
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