Q: What are the factor combinations of the number 48,128,388?

 A:
Positive:   1 x 481283882 x 240641943 x 160427964 x 120320976 x 80213987 x 687548411 x 437530812 x 401069914 x 343774221 x 229182822 x 218765428 x 171887133 x 145843642 x 114591444 x 109382749 x 98221266 x 72921877 x 62504484 x 57295798 x 491106132 x 364609147 x 327404154 x 312522196 x 245553231 x 208348294 x 163702308 x 156261343 x 140316462 x 104174539 x 89292588 x 81851686 x 70158924 x 520871029 x 467721063 x 452761078 x 446461372 x 350791617 x 297642058 x 233862126 x 226382156 x 223233189 x 150923234 x 148823773 x 127564116 x 116934252 x 113196378 x 75466468 x 7441
Negative: -1 x -48128388-2 x -24064194-3 x -16042796-4 x -12032097-6 x -8021398-7 x -6875484-11 x -4375308-12 x -4010699-14 x -3437742-21 x -2291828-22 x -2187654-28 x -1718871-33 x -1458436-42 x -1145914-44 x -1093827-49 x -982212-66 x -729218-77 x -625044-84 x -572957-98 x -491106-132 x -364609-147 x -327404-154 x -312522-196 x -245553-231 x -208348-294 x -163702-308 x -156261-343 x -140316-462 x -104174-539 x -89292-588 x -81851-686 x -70158-924 x -52087-1029 x -46772-1063 x -45276-1078 x -44646-1372 x -35079-1617 x -29764-2058 x -23386-2126 x -22638-2156 x -22323-3189 x -15092-3234 x -14882-3773 x -12756-4116 x -11693-4252 x -11319-6378 x -7546-6468 x -7441


How do I find the factor combinations of the number 48,128,388?

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 48,128,388, 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 48,128,388
-1 -48,128,388

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 48,128,388.

Example:
1 x 48,128,388 = 48,128,388
and
-1 x -48,128,388 = 48,128,388
Notice both answers equal 48,128,388

With that explanation out of the way, let's continue. Next, we take the number 48,128,388 and divide it by 2:

48,128,388 ÷ 2 = 24,064,194

If the quotient is a whole number, then 2 and 24,064,194 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 24,064,194 48,128,388
-1 -2 -24,064,194 -48,128,388

Now, we try dividing 48,128,388 by 3:

48,128,388 ÷ 3 = 16,042,796

If the quotient is a whole number, then 3 and 16,042,796 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 16,042,796 24,064,194 48,128,388
-1 -2 -3 -16,042,796 -24,064,194 -48,128,388

Let's try dividing by 4:

48,128,388 ÷ 4 = 12,032,097

If the quotient is a whole number, then 4 and 12,032,097 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 12,032,097 16,042,796 24,064,194 48,128,388
-1 -2 -3 -4 -12,032,097 -16,042,796 -24,064,194 48,128,388
Keep dividing by the next highest number until you cannot divide anymore.

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

12346711121421222833424449667784981321471541962312943083434625395886869241,0291,0631,0781,3721,6172,0582,1262,1563,1893,2343,7734,1164,2526,3786,4687,4417,54611,31911,69312,75614,88215,09222,32322,63823,38629,76435,07944,64645,27646,77252,08770,15881,85189,292104,174140,316156,261163,702208,348245,553312,522327,404364,609491,106572,957625,044729,218982,2121,093,8271,145,9141,458,4361,718,8712,187,6542,291,8283,437,7424,010,6994,375,3086,875,4848,021,39812,032,09716,042,79624,064,19448,128,388
-1-2-3-4-6-7-11-12-14-21-22-28-33-42-44-49-66-77-84-98-132-147-154-196-231-294-308-343-462-539-588-686-924-1,029-1,063-1,078-1,372-1,617-2,058-2,126-2,156-3,189-3,234-3,773-4,116-4,252-6,378-6,468-7,441-7,546-11,319-11,693-12,756-14,882-15,092-22,323-22,638-23,386-29,764-35,079-44,646-45,276-46,772-52,087-70,158-81,851-89,292-104,174-140,316-156,261-163,702-208,348-245,553-312,522-327,404-364,609-491,106-572,957-625,044-729,218-982,212-1,093,827-1,145,914-1,458,436-1,718,871-2,187,654-2,291,828-3,437,742-4,010,699-4,375,308-6,875,484-8,021,398-12,032,097-16,042,796-24,064,194-48,128,388

More Examples

Here are some more numbers to try:

48,128,38648,128,38748,128,38948,128,390
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