Q: What are the factor combinations of the number 7,354,247?

 A:
Positive:   1 x 735424743 x 171029
Negative: -1 x -7354247-43 x -171029


How do I find the factor combinations of the number 7,354,247?

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 7,354,247, it is easier to work with a table - it's called factoring from the outside in.

Outside in Factoring

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 7,354,247
-1 -7,354,247

Why are the negative numbers included?

When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 7,354,247.

Example:
1 x 7,354,247 = 7,354,247
and
-1 x -7,354,247 = 7,354,247
Notice both answers equal 7,354,247

With that explanation out of the way, let's continue. Next, we take the number 7,354,247 and divide it by 2:

7,354,247 ÷ 2 = 3,677,123.5

If the quotient is a whole number, then 2 and 3,677,123.5 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 7,354,247
-1 -7,354,247

Now, we try dividing 7,354,247 by 3:

7,354,247 ÷ 3 = 2,451,415.6667

If the quotient is a whole number, then 3 and 2,451,415.6667 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 7,354,247
-1 -7,354,247

Let's try dividing by 4:

7,354,247 ÷ 4 = 1,838,561.75

If the quotient is a whole number, then 4 and 1,838,561.75 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 7,354,247
-1 7,354,247
Keep dividing by the next highest number until you cannot divide anymore.

If you did it right, you will end up with this table:

143171,0297,354,247
-1-43-171,029-7,354,247

More Examples

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