Q: What are the factor combinations of the number 172,671,456?

 A:
Positive:   1 x 1726714562 x 863357283 x 575571524 x 431678646 x 287785768 x 2158393212 x 1438928816 x 1079196624 x 719464432 x 539598348 x 359732253 x 325795296 x 1798661106 x 1628976159 x 1085984212 x 814488318 x 542992424 x 407244636 x 271496848 x 2036221272 x 1357481696 x 1018112544 x 678745088 x 33937
Negative: -1 x -172671456-2 x -86335728-3 x -57557152-4 x -43167864-6 x -28778576-8 x -21583932-12 x -14389288-16 x -10791966-24 x -7194644-32 x -5395983-48 x -3597322-53 x -3257952-96 x -1798661-106 x -1628976-159 x -1085984-212 x -814488-318 x -542992-424 x -407244-636 x -271496-848 x -203622-1272 x -135748-1696 x -101811-2544 x -67874-5088 x -33937


How do I find the factor combinations of the number 172,671,456?

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 172,671,456, 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.

1 172,671,456
-1 -172,671,456

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 172,671,456.

Example:
1 x 172,671,456 = 172,671,456
and
-1 x -172,671,456 = 172,671,456
Notice both answers equal 172,671,456

With that explanation out of the way, let's continue. Next, we take the number 172,671,456 and divide it by 2:

172,671,456 ÷ 2 = 86,335,728

If the quotient is a whole number, then 2 and 86,335,728 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 86,335,728 172,671,456
-1 -2 -86,335,728 -172,671,456

Now, we try dividing 172,671,456 by 3:

172,671,456 ÷ 3 = 57,557,152

If the quotient is a whole number, then 3 and 57,557,152 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 57,557,152 86,335,728 172,671,456
-1 -2 -3 -57,557,152 -86,335,728 -172,671,456

Let's try dividing by 4:

172,671,456 ÷ 4 = 43,167,864

If the quotient is a whole number, then 4 and 43,167,864 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 43,167,864 57,557,152 86,335,728 172,671,456
-1 -2 -3 -4 -43,167,864 -57,557,152 -86,335,728 172,671,456
Keep dividing by the next highest number until you cannot divide anymore.

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

123468121624324853961061592123184246368481,2721,6962,5445,08833,93767,874101,811135,748203,622271,496407,244542,992814,4881,085,9841,628,9761,798,6613,257,9523,597,3225,395,9837,194,64410,791,96614,389,28821,583,93228,778,57643,167,86457,557,15286,335,728172,671,456
-1-2-3-4-6-8-12-16-24-32-48-53-96-106-159-212-318-424-636-848-1,272-1,696-2,544-5,088-33,937-67,874-101,811-135,748-203,622-271,496-407,244-542,992-814,488-1,085,984-1,628,976-1,798,661-3,257,952-3,597,322-5,395,983-7,194,644-10,791,966-14,389,288-21,583,932-28,778,576-43,167,864-57,557,152-86,335,728-172,671,456

More Examples

Here are some more numbers to try:

172,671,454172,671,455172,671,457172,671,458
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