A:
Positive:
1 x 741756055 x 148351217 x 1059651535 x 21193031279 x 579951657 x 447656395 x 115998285 x 8953
Negative:
-1 x -74175605-5 x -14835121-7 x -10596515-35 x -2119303-1279 x -57995-1657 x -44765-6395 x -11599-8285 x -8953
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 74,175,605, 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 | 74,175,605 | |
| -1 | -74,175,605 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 74,175,605.
Example:
1 x 74,175,605 = 74,175,605
and
-1 x -74,175,605 = 74,175,605
Notice both answers equal 74,175,605
With that explanation out of the way, let's continue. Next, we take the number 74,175,605 and divide it by 2:
74,175,605 ÷ 2 = 37,087,802.5
If the quotient is a whole number, then 2 and 37,087,802.5 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 | 74,175,605 | |
| -1 | -74,175,605 |
Now, we try dividing 74,175,605 by 3:
74,175,605 ÷ 3 = 24,725,201.6667
If the quotient is a whole number, then 3 and 24,725,201.6667 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 | 74,175,605 | |
| -1 | -74,175,605 |
Let's try dividing by 4:
74,175,605 ÷ 4 = 18,543,901.25
If the quotient is a whole number, then 4 and 18,543,901.25 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 | 74,175,605 | |
| -1 | 74,175,605 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 1,279 | 1,657 | 6,395 | 8,285 | 8,953 | 11,599 | 44,765 | 57,995 | 2,119,303 | 10,596,515 | 14,835,121 | 74,175,605 |
| -1 | -5 | -7 | -35 | -1,279 | -1,657 | -6,395 | -8,285 | -8,953 | -11,599 | -44,765 | -57,995 | -2,119,303 | -10,596,515 | -14,835,121 | -74,175,605 |
Here are some more numbers to try:
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