A:
Positive:
1 x 751665255 x 150333057 x 1073807525 x 300666135 x 214761579 x 951475175 x 429523395 x 190295553 x 1359251975 x 380592765 x 271855437 x 13825
Negative:
-1 x -75166525-5 x -15033305-7 x -10738075-25 x -3006661-35 x -2147615-79 x -951475-175 x -429523-395 x -190295-553 x -135925-1975 x -38059-2765 x -27185-5437 x -13825
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 75,166,525, 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 | 75,166,525 | |
| -1 | -75,166,525 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 75,166,525.
Example:
1 x 75,166,525 = 75,166,525
and
-1 x -75,166,525 = 75,166,525
Notice both answers equal 75,166,525
With that explanation out of the way, let's continue. Next, we take the number 75,166,525 and divide it by 2:
75,166,525 ÷ 2 = 37,583,262.5
If the quotient is a whole number, then 2 and 37,583,262.5 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 | 75,166,525 | |
| -1 | -75,166,525 |
Now, we try dividing 75,166,525 by 3:
75,166,525 ÷ 3 = 25,055,508.3333
If the quotient is a whole number, then 3 and 25,055,508.3333 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 | 75,166,525 | |
| -1 | -75,166,525 |
Let's try dividing by 4:
75,166,525 ÷ 4 = 18,791,631.25
If the quotient is a whole number, then 4 and 18,791,631.25 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 | 75,166,525 | |
| -1 | 75,166,525 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 25 | 35 | 79 | 175 | 395 | 553 | 1,975 | 2,765 | 5,437 | 13,825 | 27,185 | 38,059 | 135,925 | 190,295 | 429,523 | 951,475 | 2,147,615 | 3,006,661 | 10,738,075 | 15,033,305 | 75,166,525 |
| -1 | -5 | -7 | -25 | -35 | -79 | -175 | -395 | -553 | -1,975 | -2,765 | -5,437 | -13,825 | -27,185 | -38,059 | -135,925 | -190,295 | -429,523 | -951,475 | -2,147,615 | -3,006,661 | -10,738,075 | -15,033,305 | -75,166,525 |
Here are some more numbers to try:
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