A:
Positive:
1 x 753720355 x 1507440723 x 3277045115 x 655409503 x 1498451303 x 578452515 x 299696515 x 11569
Negative:
-1 x -75372035-5 x -15074407-23 x -3277045-115 x -655409-503 x -149845-1303 x -57845-2515 x -29969-6515 x -11569
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 75,372,035, 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 | 75,372,035 | |
| -1 | -75,372,035 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 75,372,035.
Example:
1 x 75,372,035 = 75,372,035
and
-1 x -75,372,035 = 75,372,035
Notice both answers equal 75,372,035
With that explanation out of the way, let's continue. Next, we take the number 75,372,035 and divide it by 2:
75,372,035 ÷ 2 = 37,686,017.5
If the quotient is a whole number, then 2 and 37,686,017.5 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 | 75,372,035 | |
| -1 | -75,372,035 |
Now, we try dividing 75,372,035 by 3:
75,372,035 ÷ 3 = 25,124,011.6667
If the quotient is a whole number, then 3 and 25,124,011.6667 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 | 75,372,035 | |
| -1 | -75,372,035 |
Let's try dividing by 4:
75,372,035 ÷ 4 = 18,843,008.75
If the quotient is a whole number, then 4 and 18,843,008.75 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 | 75,372,035 | |
| -1 | 75,372,035 |
If you did it right, you will end up with this table:
| 1 | 5 | 23 | 115 | 503 | 1,303 | 2,515 | 6,515 | 11,569 | 29,969 | 57,845 | 149,845 | 655,409 | 3,277,045 | 15,074,407 | 75,372,035 |
| -1 | -5 | -23 | -115 | -503 | -1,303 | -2,515 | -6,515 | -11,569 | -29,969 | -57,845 | -149,845 | -655,409 | -3,277,045 | -15,074,407 | -75,372,035 |
Here are some more numbers to try:
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