A:
Positive:
1 x 71370537 x 101957911 x 64882359 x 12096777 x 92689413 x 17281649 x 109971571 x 4543
Negative:
-1 x -7137053-7 x -1019579-11 x -648823-59 x -120967-77 x -92689-413 x -17281-649 x -10997-1571 x -4543
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 7,137,053, 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 | 7,137,053 | |
| -1 | -7,137,053 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 7,137,053.
Example:
1 x 7,137,053 = 7,137,053
and
-1 x -7,137,053 = 7,137,053
Notice both answers equal 7,137,053
With that explanation out of the way, let's continue. Next, we take the number 7,137,053 and divide it by 2:
7,137,053 ÷ 2 = 3,568,526.5
If the quotient is a whole number, then 2 and 3,568,526.5 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 | 7,137,053 | |
| -1 | -7,137,053 |
Now, we try dividing 7,137,053 by 3:
7,137,053 ÷ 3 = 2,379,017.6667
If the quotient is a whole number, then 3 and 2,379,017.6667 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 | 7,137,053 | |
| -1 | -7,137,053 |
Let's try dividing by 4:
7,137,053 ÷ 4 = 1,784,263.25
If the quotient is a whole number, then 4 and 1,784,263.25 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 | 7,137,053 | |
| -1 | 7,137,053 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 59 | 77 | 413 | 649 | 1,571 | 4,543 | 10,997 | 17,281 | 92,689 | 120,967 | 648,823 | 1,019,579 | 7,137,053 |
| -1 | -7 | -11 | -59 | -77 | -413 | -649 | -1,571 | -4,543 | -10,997 | -17,281 | -92,689 | -120,967 | -648,823 | -1,019,579 | -7,137,053 |
Here are some more numbers to try:
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