Q: What are the factor combinations of the number 487,406,048?

 A:
Positive:   1 x 4874060482 x 2437030244 x 1218515128 x 6092575616 x 3046287817 x 2867094432 x 1523143934 x 1433547268 x 7167736136 x 3583868173 x 2817376272 x 1791934346 x 1408688544 x 895967692 x 7043441384 x 3521722768 x 1760862941 x 1657285179 x 941125536 x 880435882 x 8286410358 x 4705611764 x 4143220716 x 23528
Negative: -1 x -487406048-2 x -243703024-4 x -121851512-8 x -60925756-16 x -30462878-17 x -28670944-32 x -15231439-34 x -14335472-68 x -7167736-136 x -3583868-173 x -2817376-272 x -1791934-346 x -1408688-544 x -895967-692 x -704344-1384 x -352172-2768 x -176086-2941 x -165728-5179 x -94112-5536 x -88043-5882 x -82864-10358 x -47056-11764 x -41432-20716 x -23528


How do I find the factor combinations of the number 487,406,048?

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 487,406,048, 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.

1 487,406,048
-1 -487,406,048

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 487,406,048.

Example:
1 x 487,406,048 = 487,406,048
and
-1 x -487,406,048 = 487,406,048
Notice both answers equal 487,406,048

With that explanation out of the way, let's continue. Next, we take the number 487,406,048 and divide it by 2:

487,406,048 ÷ 2 = 243,703,024

If the quotient is a whole number, then 2 and 243,703,024 are factors. In this case, the quotient is a whole number. Write them in the table inside the other two factors like the below example. Don't forget to write the negative numbers too!

Here is what our table should look like at this step:

1 2 243,703,024 487,406,048
-1 -2 -243,703,024 -487,406,048

Now, we try dividing 487,406,048 by 3:

487,406,048 ÷ 3 = 162,468,682.6667

If the quotient is a whole number, then 3 and 162,468,682.6667 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 2 243,703,024 487,406,048
-1 -2 -243,703,024 -487,406,048

Let's try dividing by 4:

487,406,048 ÷ 4 = 121,851,512

If the quotient is a whole number, then 4 and 121,851,512 are factors. In this case, the quotient is a whole number. Write them in the table inside the other two factors like the below example. Don't forget to write the negative numbers too!

Here is what our table should look like at this step:

1 2 4 121,851,512 243,703,024 487,406,048
-1 -2 -4 -121,851,512 -243,703,024 487,406,048
Keep dividing by the next highest number until you cannot divide anymore.

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

124816173234681361732723465446921,3842,7682,9415,1795,5365,88210,35811,76420,71623,52841,43247,05682,86488,04394,112165,728176,086352,172704,344895,9671,408,6881,791,9342,817,3763,583,8687,167,73614,335,47215,231,43928,670,94430,462,87860,925,756121,851,512243,703,024487,406,048
-1-2-4-8-16-17-32-34-68-136-173-272-346-544-692-1,384-2,768-2,941-5,179-5,536-5,882-10,358-11,764-20,716-23,528-41,432-47,056-82,864-88,043-94,112-165,728-176,086-352,172-704,344-895,967-1,408,688-1,791,934-2,817,376-3,583,868-7,167,736-14,335,472-15,231,439-28,670,944-30,462,878-60,925,756-121,851,512-243,703,024-487,406,048

More Examples

Here are some more numbers to try:

487,406,046487,406,047487,406,049487,406,050
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