A:
Positive:
1 x 701386755 x 1402773525 x 280554729 x 241857589 x 788075145 x 483715445 x 157615725 x 967431087 x 645252225 x 315232581 x 271755435 x 12905
Negative:
-1 x -70138675-5 x -14027735-25 x -2805547-29 x -2418575-89 x -788075-145 x -483715-445 x -157615-725 x -96743-1087 x -64525-2225 x -31523-2581 x -27175-5435 x -12905
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 70,138,675, 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 | 70,138,675 | |
| -1 | -70,138,675 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 70,138,675.
Example:
1 x 70,138,675 = 70,138,675
and
-1 x -70,138,675 = 70,138,675
Notice both answers equal 70,138,675
With that explanation out of the way, let's continue. Next, we take the number 70,138,675 and divide it by 2:
70,138,675 ÷ 2 = 35,069,337.5
If the quotient is a whole number, then 2 and 35,069,337.5 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 | 70,138,675 | |
| -1 | -70,138,675 |
Now, we try dividing 70,138,675 by 3:
70,138,675 ÷ 3 = 23,379,558.3333
If the quotient is a whole number, then 3 and 23,379,558.3333 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 | 70,138,675 | |
| -1 | -70,138,675 |
Let's try dividing by 4:
70,138,675 ÷ 4 = 17,534,668.75
If the quotient is a whole number, then 4 and 17,534,668.75 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 | 70,138,675 | |
| -1 | 70,138,675 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 29 | 89 | 145 | 445 | 725 | 1,087 | 2,225 | 2,581 | 5,435 | 12,905 | 27,175 | 31,523 | 64,525 | 96,743 | 157,615 | 483,715 | 788,075 | 2,418,575 | 2,805,547 | 14,027,735 | 70,138,675 |
| -1 | -5 | -25 | -29 | -89 | -145 | -445 | -725 | -1,087 | -2,225 | -2,581 | -5,435 | -12,905 | -27,175 | -31,523 | -64,525 | -96,743 | -157,615 | -483,715 | -788,075 | -2,418,575 | -2,805,547 | -14,027,735 | -70,138,675 |
Here are some more numbers to try:
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