A:
Positive:
1 x 153230777 x 218901111 x 139300777 x 19900179 x 193963121 x 126637229 x 66913553 x 27709847 x 18091869 x 176331603 x 95592519 x 6083
Negative:
-1 x -15323077-7 x -2189011-11 x -1393007-77 x -199001-79 x -193963-121 x -126637-229 x -66913-553 x -27709-847 x -18091-869 x -17633-1603 x -9559-2519 x -6083
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 15,323,077, 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 | 15,323,077 | |
| -1 | -15,323,077 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 15,323,077.
Example:
1 x 15,323,077 = 15,323,077
and
-1 x -15,323,077 = 15,323,077
Notice both answers equal 15,323,077
With that explanation out of the way, let's continue. Next, we take the number 15,323,077 and divide it by 2:
15,323,077 ÷ 2 = 7,661,538.5
If the quotient is a whole number, then 2 and 7,661,538.5 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 | 15,323,077 | |
| -1 | -15,323,077 |
Now, we try dividing 15,323,077 by 3:
15,323,077 ÷ 3 = 5,107,692.3333
If the quotient is a whole number, then 3 and 5,107,692.3333 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 | 15,323,077 | |
| -1 | -15,323,077 |
Let's try dividing by 4:
15,323,077 ÷ 4 = 3,830,769.25
If the quotient is a whole number, then 4 and 3,830,769.25 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 | 15,323,077 | |
| -1 | 15,323,077 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 77 | 79 | 121 | 229 | 553 | 847 | 869 | 1,603 | 2,519 | 6,083 | 9,559 | 17,633 | 18,091 | 27,709 | 66,913 | 126,637 | 193,963 | 199,001 | 1,393,007 | 2,189,011 | 15,323,077 |
| -1 | -7 | -11 | -77 | -79 | -121 | -229 | -553 | -847 | -869 | -1,603 | -2,519 | -6,083 | -9,559 | -17,633 | -18,091 | -27,709 | -66,913 | -126,637 | -193,963 | -199,001 | -1,393,007 | -2,189,011 | -15,323,077 |
Here are some more numbers to try:
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