Q: What are the factor combinations of the number 15,389,268?

 A:
Positive:   1 x 153892682 x 76946343 x 51297564 x 38473176 x 256487812 x 128243931 x 49642841 x 37534862 x 24821482 x 18767493 x 165476123 x 125116124 x 124107164 x 93837186 x 82738246 x 62558372 x 41369492 x 312791009 x 152521271 x 121082018 x 76262542 x 60543027 x 50843813 x 4036
Negative: -1 x -15389268-2 x -7694634-3 x -5129756-4 x -3847317-6 x -2564878-12 x -1282439-31 x -496428-41 x -375348-62 x -248214-82 x -187674-93 x -165476-123 x -125116-124 x -124107-164 x -93837-186 x -82738-246 x -62558-372 x -41369-492 x -31279-1009 x -15252-1271 x -12108-2018 x -7626-2542 x -6054-3027 x -5084-3813 x -4036


How do I find the factor combinations of the number 15,389,268?

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 15,389,268, 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 15,389,268
-1 -15,389,268

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 15,389,268.

Example:
1 x 15,389,268 = 15,389,268
and
-1 x -15,389,268 = 15,389,268
Notice both answers equal 15,389,268

With that explanation out of the way, let's continue. Next, we take the number 15,389,268 and divide it by 2:

15,389,268 ÷ 2 = 7,694,634

If the quotient is a whole number, then 2 and 7,694,634 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 7,694,634 15,389,268
-1 -2 -7,694,634 -15,389,268

Now, we try dividing 15,389,268 by 3:

15,389,268 ÷ 3 = 5,129,756

If the quotient is a whole number, then 3 and 5,129,756 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 3 5,129,756 7,694,634 15,389,268
-1 -2 -3 -5,129,756 -7,694,634 -15,389,268

Let's try dividing by 4:

15,389,268 ÷ 4 = 3,847,317

If the quotient is a whole number, then 4 and 3,847,317 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 3 4 3,847,317 5,129,756 7,694,634 15,389,268
-1 -2 -3 -4 -3,847,317 -5,129,756 -7,694,634 15,389,268
Keep dividing by the next highest number until you cannot divide anymore.

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

123461231416282931231241641862463724921,0091,2712,0182,5423,0273,8134,0365,0846,0547,62612,10815,25231,27941,36962,55882,73893,837124,107125,116165,476187,674248,214375,348496,4281,282,4392,564,8783,847,3175,129,7567,694,63415,389,268
-1-2-3-4-6-12-31-41-62-82-93-123-124-164-186-246-372-492-1,009-1,271-2,018-2,542-3,027-3,813-4,036-5,084-6,054-7,626-12,108-15,252-31,279-41,369-62,558-82,738-93,837-124,107-125,116-165,476-187,674-248,214-375,348-496,428-1,282,439-2,564,878-3,847,317-5,129,756-7,694,634-15,389,268

More Examples

Here are some more numbers to try:

15,389,26615,389,26715,389,26915,389,270
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