A:
Positive:
1 x 103870697 x 148386711 x 94427949 x 21198177 x 134897343 x 30283539 x 192712753 x 3773
Negative:
-1 x -10387069-7 x -1483867-11 x -944279-49 x -211981-77 x -134897-343 x -30283-539 x -19271-2753 x -3773
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 10,387,069, 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 | 10,387,069 | |
| -1 | -10,387,069 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 10,387,069.
Example:
1 x 10,387,069 = 10,387,069
and
-1 x -10,387,069 = 10,387,069
Notice both answers equal 10,387,069
With that explanation out of the way, let's continue. Next, we take the number 10,387,069 and divide it by 2:
10,387,069 ÷ 2 = 5,193,534.5
If the quotient is a whole number, then 2 and 5,193,534.5 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 | 10,387,069 | |
| -1 | -10,387,069 |
Now, we try dividing 10,387,069 by 3:
10,387,069 ÷ 3 = 3,462,356.3333
If the quotient is a whole number, then 3 and 3,462,356.3333 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 | 10,387,069 | |
| -1 | -10,387,069 |
Let's try dividing by 4:
10,387,069 ÷ 4 = 2,596,767.25
If the quotient is a whole number, then 4 and 2,596,767.25 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 | 10,387,069 | |
| -1 | 10,387,069 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 49 | 77 | 343 | 539 | 2,753 | 3,773 | 19,271 | 30,283 | 134,897 | 211,981 | 944,279 | 1,483,867 | 10,387,069 |
| -1 | -7 | -11 | -49 | -77 | -343 | -539 | -2,753 | -3,773 | -19,271 | -30,283 | -134,897 | -211,981 | -944,279 | -1,483,867 | -10,387,069 |
Here are some more numbers to try:
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