Q: What are the factor combinations of the number 38,429,520?

 A:
Positive:   1 x 384295202 x 192147603 x 128098404 x 96073805 x 76859046 x 64049208 x 480369010 x 384295212 x 320246015 x 256196816 x 240184517 x 226056020 x 192147624 x 160123030 x 128098434 x 113028040 x 96073848 x 80061551 x 75352060 x 64049268 x 56514080 x 48036985 x 452112102 x 376760120 x 320246136 x 282570170 x 226056204 x 188380240 x 160123255 x 150704272 x 141285340 x 113028408 x 94190510 x 75352680 x 56514816 x 470951020 x 376761360 x 282572040 x 188384080 x 9419
Negative: -1 x -38429520-2 x -19214760-3 x -12809840-4 x -9607380-5 x -7685904-6 x -6404920-8 x -4803690-10 x -3842952-12 x -3202460-15 x -2561968-16 x -2401845-17 x -2260560-20 x -1921476-24 x -1601230-30 x -1280984-34 x -1130280-40 x -960738-48 x -800615-51 x -753520-60 x -640492-68 x -565140-80 x -480369-85 x -452112-102 x -376760-120 x -320246-136 x -282570-170 x -226056-204 x -188380-240 x -160123-255 x -150704-272 x -141285-340 x -113028-408 x -94190-510 x -75352-680 x -56514-816 x -47095-1020 x -37676-1360 x -28257-2040 x -18838-4080 x -9419


How do I find the factor combinations of the number 38,429,520?

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 38,429,520, 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 38,429,520
-1 -38,429,520

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 38,429,520.

Example:
1 x 38,429,520 = 38,429,520
and
-1 x -38,429,520 = 38,429,520
Notice both answers equal 38,429,520

With that explanation out of the way, let's continue. Next, we take the number 38,429,520 and divide it by 2:

38,429,520 ÷ 2 = 19,214,760

If the quotient is a whole number, then 2 and 19,214,760 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 19,214,760 38,429,520
-1 -2 -19,214,760 -38,429,520

Now, we try dividing 38,429,520 by 3:

38,429,520 ÷ 3 = 12,809,840

If the quotient is a whole number, then 3 and 12,809,840 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 12,809,840 19,214,760 38,429,520
-1 -2 -3 -12,809,840 -19,214,760 -38,429,520

Let's try dividing by 4:

38,429,520 ÷ 4 = 9,607,380

If the quotient is a whole number, then 4 and 9,607,380 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 9,607,380 12,809,840 19,214,760 38,429,520
-1 -2 -3 -4 -9,607,380 -12,809,840 -19,214,760 38,429,520
Keep dividing by the next highest number until you cannot divide anymore.

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

1234568101215161720243034404851606880851021201361702042402552723404085106808161,0201,3602,0404,0809,41918,83828,25737,67647,09556,51475,35294,190113,028141,285150,704160,123188,380226,056282,570320,246376,760452,112480,369565,140640,492753,520800,615960,7381,130,2801,280,9841,601,2301,921,4762,260,5602,401,8452,561,9683,202,4603,842,9524,803,6906,404,9207,685,9049,607,38012,809,84019,214,76038,429,520
-1-2-3-4-5-6-8-10-12-15-16-17-20-24-30-34-40-48-51-60-68-80-85-102-120-136-170-204-240-255-272-340-408-510-680-816-1,020-1,360-2,040-4,080-9,419-18,838-28,257-37,676-47,095-56,514-75,352-94,190-113,028-141,285-150,704-160,123-188,380-226,056-282,570-320,246-376,760-452,112-480,369-565,140-640,492-753,520-800,615-960,738-1,130,280-1,280,984-1,601,230-1,921,476-2,260,560-2,401,845-2,561,968-3,202,460-3,842,952-4,803,690-6,404,920-7,685,904-9,607,380-12,809,840-19,214,760-38,429,520

More Examples

Here are some more numbers to try:

38,429,51838,429,51938,429,52138,429,522
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