Q: What are the factor combinations of the number 31,234,230?

 A:
Positive:   1 x 312342302 x 156171153 x 104114105 x 62468466 x 52057059 x 347047010 x 312342315 x 208228218 x 173523523 x 135801030 x 104114145 x 69409446 x 67900569 x 45267079 x 39537090 x 347047115 x 271602138 x 226335158 x 197685191 x 163530207 x 150890230 x 135801237 x 131790345 x 90534382 x 81765395 x 79074414 x 75445474 x 65895573 x 54510690 x 45267711 x 43930790 x 39537955 x 327061035 x 301781146 x 272551185 x 263581422 x 219651719 x 181701817 x 171901910 x 163532070 x 150892370 x 131792865 x 109023438 x 90853555 x 87863634 x 85954393 x 71105451 x 5730
Negative: -1 x -31234230-2 x -15617115-3 x -10411410-5 x -6246846-6 x -5205705-9 x -3470470-10 x -3123423-15 x -2082282-18 x -1735235-23 x -1358010-30 x -1041141-45 x -694094-46 x -679005-69 x -452670-79 x -395370-90 x -347047-115 x -271602-138 x -226335-158 x -197685-191 x -163530-207 x -150890-230 x -135801-237 x -131790-345 x -90534-382 x -81765-395 x -79074-414 x -75445-474 x -65895-573 x -54510-690 x -45267-711 x -43930-790 x -39537-955 x -32706-1035 x -30178-1146 x -27255-1185 x -26358-1422 x -21965-1719 x -18170-1817 x -17190-1910 x -16353-2070 x -15089-2370 x -13179-2865 x -10902-3438 x -9085-3555 x -8786-3634 x -8595-4393 x -7110-5451 x -5730


How do I find the factor combinations of the number 31,234,230?

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 31,234,230, 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 31,234,230
-1 -31,234,230

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 31,234,230.

Example:
1 x 31,234,230 = 31,234,230
and
-1 x -31,234,230 = 31,234,230
Notice both answers equal 31,234,230

With that explanation out of the way, let's continue. Next, we take the number 31,234,230 and divide it by 2:

31,234,230 ÷ 2 = 15,617,115

If the quotient is a whole number, then 2 and 15,617,115 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 15,617,115 31,234,230
-1 -2 -15,617,115 -31,234,230

Now, we try dividing 31,234,230 by 3:

31,234,230 ÷ 3 = 10,411,410

If the quotient is a whole number, then 3 and 10,411,410 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 10,411,410 15,617,115 31,234,230
-1 -2 -3 -10,411,410 -15,617,115 -31,234,230

Let's try dividing by 4:

31,234,230 ÷ 4 = 7,808,557.5

If the quotient is a whole number, then 4 and 7,808,557.5 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.

Here is what our table should look like at this step:

1 2 3 10,411,410 15,617,115 31,234,230
-1 -2 -3 -10,411,410 -15,617,115 31,234,230
Keep dividing by the next highest number until you cannot divide anymore.

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

123569101518233045466979901151381581912072302373453823954144745736907117909551,0351,1461,1851,4221,7191,8171,9102,0702,3702,8653,4383,5553,6344,3935,4515,7307,1108,5958,7869,08510,90213,17915,08916,35317,19018,17021,96526,35827,25530,17832,70639,53743,93045,26754,51065,89575,44579,07481,76590,534131,790135,801150,890163,530197,685226,335271,602347,047395,370452,670679,005694,0941,041,1411,358,0101,735,2352,082,2823,123,4233,470,4705,205,7056,246,84610,411,41015,617,11531,234,230
-1-2-3-5-6-9-10-15-18-23-30-45-46-69-79-90-115-138-158-191-207-230-237-345-382-395-414-474-573-690-711-790-955-1,035-1,146-1,185-1,422-1,719-1,817-1,910-2,070-2,370-2,865-3,438-3,555-3,634-4,393-5,451-5,730-7,110-8,595-8,786-9,085-10,902-13,179-15,089-16,353-17,190-18,170-21,965-26,358-27,255-30,178-32,706-39,537-43,930-45,267-54,510-65,895-75,445-79,074-81,765-90,534-131,790-135,801-150,890-163,530-197,685-226,335-271,602-347,047-395,370-452,670-679,005-694,094-1,041,141-1,358,010-1,735,235-2,082,282-3,123,423-3,470,470-5,205,705-6,246,846-10,411,410-15,617,115-31,234,230

More Examples

Here are some more numbers to try:

31,234,22831,234,22931,234,23131,234,232
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