A:
Positive:
1 x 23746543919 x 1249818189 x 2668151361 x 657799389 x 6104511691 x 1404296859 x 346217391 x 32129
Negative:
-1 x -237465439-19 x -12498181-89 x -2668151-361 x -657799-389 x -610451-1691 x -140429-6859 x -34621-7391 x -32129
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 237,465,439, 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 | 237,465,439 | |
| -1 | -237,465,439 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 237,465,439.
Example:
1 x 237,465,439 = 237,465,439
and
-1 x -237,465,439 = 237,465,439
Notice both answers equal 237,465,439
With that explanation out of the way, let's continue. Next, we take the number 237,465,439 and divide it by 2:
237,465,439 ÷ 2 = 118,732,719.5
If the quotient is a whole number, then 2 and 118,732,719.5 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 | 237,465,439 | |
| -1 | -237,465,439 |
Now, we try dividing 237,465,439 by 3:
237,465,439 ÷ 3 = 79,155,146.3333
If the quotient is a whole number, then 3 and 79,155,146.3333 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 | 237,465,439 | |
| -1 | -237,465,439 |
Let's try dividing by 4:
237,465,439 ÷ 4 = 59,366,359.75
If the quotient is a whole number, then 4 and 59,366,359.75 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 | 237,465,439 | |
| -1 | 237,465,439 |
If you did it right, you will end up with this table:
| 1 | 19 | 89 | 361 | 389 | 1,691 | 6,859 | 7,391 | 32,129 | 34,621 | 140,429 | 610,451 | 657,799 | 2,668,151 | 12,498,181 | 237,465,439 |
| -1 | -19 | -89 | -361 | -389 | -1,691 | -6,859 | -7,391 | -32,129 | -34,621 | -140,429 | -610,451 | -657,799 | -2,668,151 | -12,498,181 | -237,465,439 |
Here are some more numbers to try:
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