A:
Positive:
1 x 7029127313 x 540702129 x 242383747 x 1495559377 x 186449611 x 1150431363 x 515713967 x 17719
Negative:
-1 x -70291273-13 x -5407021-29 x -2423837-47 x -1495559-377 x -186449-611 x -115043-1363 x -51571-3967 x -17719
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 70,291,273, 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 | 70,291,273 | |
| -1 | -70,291,273 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 70,291,273.
Example:
1 x 70,291,273 = 70,291,273
and
-1 x -70,291,273 = 70,291,273
Notice both answers equal 70,291,273
With that explanation out of the way, let's continue. Next, we take the number 70,291,273 and divide it by 2:
70,291,273 ÷ 2 = 35,145,636.5
If the quotient is a whole number, then 2 and 35,145,636.5 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 | 70,291,273 | |
| -1 | -70,291,273 |
Now, we try dividing 70,291,273 by 3:
70,291,273 ÷ 3 = 23,430,424.3333
If the quotient is a whole number, then 3 and 23,430,424.3333 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 | 70,291,273 | |
| -1 | -70,291,273 |
Let's try dividing by 4:
70,291,273 ÷ 4 = 17,572,818.25
If the quotient is a whole number, then 4 and 17,572,818.25 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 | 70,291,273 | |
| -1 | 70,291,273 |
If you did it right, you will end up with this table:
| 1 | 13 | 29 | 47 | 377 | 611 | 1,363 | 3,967 | 17,719 | 51,571 | 115,043 | 186,449 | 1,495,559 | 2,423,837 | 5,407,021 | 70,291,273 |
| -1 | -13 | -29 | -47 | -377 | -611 | -1,363 | -3,967 | -17,719 | -51,571 | -115,043 | -186,449 | -1,495,559 | -2,423,837 | -5,407,021 | -70,291,273 |
Here are some more numbers to try:
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