A:
Positive:
1 x 699051437 x 998644911 x 635501343 x 162570177 x 907859301 x 232243473 x 147791491 x 1423731849 x 378073311 x 211133437 x 203395401 x 12943
Negative:
-1 x -69905143-7 x -9986449-11 x -6355013-43 x -1625701-77 x -907859-301 x -232243-473 x -147791-491 x -142373-1849 x -37807-3311 x -21113-3437 x -20339-5401 x -12943
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 69,905,143, 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 | 69,905,143 | |
| -1 | -69,905,143 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 69,905,143.
Example:
1 x 69,905,143 = 69,905,143
and
-1 x -69,905,143 = 69,905,143
Notice both answers equal 69,905,143
With that explanation out of the way, let's continue. Next, we take the number 69,905,143 and divide it by 2:
69,905,143 ÷ 2 = 34,952,571.5
If the quotient is a whole number, then 2 and 34,952,571.5 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 | 69,905,143 | |
| -1 | -69,905,143 |
Now, we try dividing 69,905,143 by 3:
69,905,143 ÷ 3 = 23,301,714.3333
If the quotient is a whole number, then 3 and 23,301,714.3333 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 | 69,905,143 | |
| -1 | -69,905,143 |
Let's try dividing by 4:
69,905,143 ÷ 4 = 17,476,285.75
If the quotient is a whole number, then 4 and 17,476,285.75 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 | 69,905,143 | |
| -1 | 69,905,143 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 43 | 77 | 301 | 473 | 491 | 1,849 | 3,311 | 3,437 | 5,401 | 12,943 | 20,339 | 21,113 | 37,807 | 142,373 | 147,791 | 232,243 | 907,859 | 1,625,701 | 6,355,013 | 9,986,449 | 69,905,143 |
| -1 | -7 | -11 | -43 | -77 | -301 | -473 | -491 | -1,849 | -3,311 | -3,437 | -5,401 | -12,943 | -20,339 | -21,113 | -37,807 | -142,373 | -147,791 | -232,243 | -907,859 | -1,625,701 | -6,355,013 | -9,986,449 | -69,905,143 |
Here are some more numbers to try:
Try the factor calculator