A:
Positive:
1 x 764065255 x 1528130513 x 587742525 x 305626165 x 1175485233 x 327925325 x 2350971009 x 757251165 x 655853029 x 252255045 x 151455825 x 13117
Negative:
-1 x -76406525-5 x -15281305-13 x -5877425-25 x -3056261-65 x -1175485-233 x -327925-325 x -235097-1009 x -75725-1165 x -65585-3029 x -25225-5045 x -15145-5825 x -13117
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 76,406,525, 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 | 76,406,525 | |
| -1 | -76,406,525 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 76,406,525.
Example:
1 x 76,406,525 = 76,406,525
and
-1 x -76,406,525 = 76,406,525
Notice both answers equal 76,406,525
With that explanation out of the way, let's continue. Next, we take the number 76,406,525 and divide it by 2:
76,406,525 ÷ 2 = 38,203,262.5
If the quotient is a whole number, then 2 and 38,203,262.5 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 | 76,406,525 | |
| -1 | -76,406,525 |
Now, we try dividing 76,406,525 by 3:
76,406,525 ÷ 3 = 25,468,841.6667
If the quotient is a whole number, then 3 and 25,468,841.6667 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 | 76,406,525 | |
| -1 | -76,406,525 |
Let's try dividing by 4:
76,406,525 ÷ 4 = 19,101,631.25
If the quotient is a whole number, then 4 and 19,101,631.25 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 | 76,406,525 | |
| -1 | 76,406,525 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 25 | 65 | 233 | 325 | 1,009 | 1,165 | 3,029 | 5,045 | 5,825 | 13,117 | 15,145 | 25,225 | 65,585 | 75,725 | 235,097 | 327,925 | 1,175,485 | 3,056,261 | 5,877,425 | 15,281,305 | 76,406,525 |
| -1 | -5 | -13 | -25 | -65 | -233 | -325 | -1,009 | -1,165 | -3,029 | -5,045 | -5,825 | -13,117 | -15,145 | -25,225 | -65,585 | -75,725 | -235,097 | -327,925 | -1,175,485 | -3,056,261 | -5,877,425 | -15,281,305 | -76,406,525 |
Here are some more numbers to try:
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