Q: What are the factor combinations of the number 27,187,680?

 A:
Positive:   1 x 271876802 x 135938403 x 90625604 x 67969205 x 54375366 x 45312808 x 339846010 x 271876812 x 226564013 x 209136015 x 181251216 x 169923020 x 135938424 x 113282026 x 104568030 x 90625632 x 84961539 x 69712040 x 67969248 x 56641052 x 52284060 x 45312865 x 41827278 x 34856080 x 33984696 x 283205104 x 261420120 x 226564130 x 209136156 x 174280160 x 169923195 x 139424208 x 130710240 x 113282260 x 104568312 x 87140390 x 69712416 x 65355480 x 56641520 x 52284624 x 43570780 x 348561040 x 261421248 x 217851560 x 174282080 x 130713120 x 87144357 x 6240
Negative: -1 x -27187680-2 x -13593840-3 x -9062560-4 x -6796920-5 x -5437536-6 x -4531280-8 x -3398460-10 x -2718768-12 x -2265640-13 x -2091360-15 x -1812512-16 x -1699230-20 x -1359384-24 x -1132820-26 x -1045680-30 x -906256-32 x -849615-39 x -697120-40 x -679692-48 x -566410-52 x -522840-60 x -453128-65 x -418272-78 x -348560-80 x -339846-96 x -283205-104 x -261420-120 x -226564-130 x -209136-156 x -174280-160 x -169923-195 x -139424-208 x -130710-240 x -113282-260 x -104568-312 x -87140-390 x -69712-416 x -65355-480 x -56641-520 x -52284-624 x -43570-780 x -34856-1040 x -26142-1248 x -21785-1560 x -17428-2080 x -13071-3120 x -8714-4357 x -6240


How do I find the factor combinations of the number 27,187,680?

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 27,187,680, 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 27,187,680
-1 -27,187,680

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 27,187,680.

Example:
1 x 27,187,680 = 27,187,680
and
-1 x -27,187,680 = 27,187,680
Notice both answers equal 27,187,680

With that explanation out of the way, let's continue. Next, we take the number 27,187,680 and divide it by 2:

27,187,680 ÷ 2 = 13,593,840

If the quotient is a whole number, then 2 and 13,593,840 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 13,593,840 27,187,680
-1 -2 -13,593,840 -27,187,680

Now, we try dividing 27,187,680 by 3:

27,187,680 ÷ 3 = 9,062,560

If the quotient is a whole number, then 3 and 9,062,560 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 9,062,560 13,593,840 27,187,680
-1 -2 -3 -9,062,560 -13,593,840 -27,187,680

Let's try dividing by 4:

27,187,680 ÷ 4 = 6,796,920

If the quotient is a whole number, then 4 and 6,796,920 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 6,796,920 9,062,560 13,593,840 27,187,680
-1 -2 -3 -4 -6,796,920 -9,062,560 -13,593,840 27,187,680
Keep dividing by the next highest number until you cannot divide anymore.

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

1234568101213151620242630323940485260657880961041201301561601952082402603123904164805206247801,0401,2481,5602,0803,1204,3576,2408,71413,07117,42821,78526,14234,85643,57052,28456,64165,35569,71287,140104,568113,282130,710139,424169,923174,280209,136226,564261,420283,205339,846348,560418,272453,128522,840566,410679,692697,120849,615906,2561,045,6801,132,8201,359,3841,699,2301,812,5122,091,3602,265,6402,718,7683,398,4604,531,2805,437,5366,796,9209,062,56013,593,84027,187,680
-1-2-3-4-5-6-8-10-12-13-15-16-20-24-26-30-32-39-40-48-52-60-65-78-80-96-104-120-130-156-160-195-208-240-260-312-390-416-480-520-624-780-1,040-1,248-1,560-2,080-3,120-4,357-6,240-8,714-13,071-17,428-21,785-26,142-34,856-43,570-52,284-56,641-65,355-69,712-87,140-104,568-113,282-130,710-139,424-169,923-174,280-209,136-226,564-261,420-283,205-339,846-348,560-418,272-453,128-522,840-566,410-679,692-697,120-849,615-906,256-1,045,680-1,132,820-1,359,384-1,699,230-1,812,512-2,091,360-2,265,640-2,718,768-3,398,460-4,531,280-5,437,536-6,796,920-9,062,560-13,593,840-27,187,680

More Examples

Here are some more numbers to try:

27,187,67827,187,67927,187,68127,187,682
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