A:
Positive:
1 x 708730755 x 141746157 x 1012472513 x 545177525 x 283492335 x 202494565 x 109035591 x 778825175 x 404989325 x 218071455 x 1557652275 x 31153
Negative:
-1 x -70873075-5 x -14174615-7 x -10124725-13 x -5451775-25 x -2834923-35 x -2024945-65 x -1090355-91 x -778825-175 x -404989-325 x -218071-455 x -155765-2275 x -31153
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 70,873,075, 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 | 70,873,075 | |
| -1 | -70,873,075 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 70,873,075.
Example:
1 x 70,873,075 = 70,873,075
and
-1 x -70,873,075 = 70,873,075
Notice both answers equal 70,873,075
With that explanation out of the way, let's continue. Next, we take the number 70,873,075 and divide it by 2:
70,873,075 ÷ 2 = 35,436,537.5
If the quotient is a whole number, then 2 and 35,436,537.5 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 | 70,873,075 | |
| -1 | -70,873,075 |
Now, we try dividing 70,873,075 by 3:
70,873,075 ÷ 3 = 23,624,358.3333
If the quotient is a whole number, then 3 and 23,624,358.3333 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 | 70,873,075 | |
| -1 | -70,873,075 |
Let's try dividing by 4:
70,873,075 ÷ 4 = 17,718,268.75
If the quotient is a whole number, then 4 and 17,718,268.75 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 | 70,873,075 | |
| -1 | 70,873,075 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 13 | 25 | 35 | 65 | 91 | 175 | 325 | 455 | 2,275 | 31,153 | 155,765 | 218,071 | 404,989 | 778,825 | 1,090,355 | 2,024,945 | 2,834,923 | 5,451,775 | 10,124,725 | 14,174,615 | 70,873,075 |
| -1 | -5 | -7 | -13 | -25 | -35 | -65 | -91 | -175 | -325 | -455 | -2,275 | -31,153 | -155,765 | -218,071 | -404,989 | -778,825 | -1,090,355 | -2,024,945 | -2,834,923 | -5,451,775 | -10,124,725 | -14,174,615 | -70,873,075 |
Here are some more numbers to try:
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