Q: What are the factor combinations of the number 220,504,172?

 A:
Positive:   1 x 2205041722 x 1102520864 x 551260437 x 3150059614 x 1575029828 x 787514943 x 512800486 x 2564002172 x 1282001301 x 732572373 x 591164491 x 449092602 x 366286746 x 295582982 x 2245461204 x 1831431492 x 1477911964 x 1122732611 x 844523437 x 641565222 x 422266874 x 3207810444 x 2111313748 x 16039
Negative: -1 x -220504172-2 x -110252086-4 x -55126043-7 x -31500596-14 x -15750298-28 x -7875149-43 x -5128004-86 x -2564002-172 x -1282001-301 x -732572-373 x -591164-491 x -449092-602 x -366286-746 x -295582-982 x -224546-1204 x -183143-1492 x -147791-1964 x -112273-2611 x -84452-3437 x -64156-5222 x -42226-6874 x -32078-10444 x -21113-13748 x -16039


How do I find the factor combinations of the number 220,504,172?

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 220,504,172, 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.

1 220,504,172
-1 -220,504,172

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 220,504,172.

Example:
1 x 220,504,172 = 220,504,172
and
-1 x -220,504,172 = 220,504,172
Notice both answers equal 220,504,172

With that explanation out of the way, let's continue. Next, we take the number 220,504,172 and divide it by 2:

220,504,172 ÷ 2 = 110,252,086

If the quotient is a whole number, then 2 and 110,252,086 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 2 110,252,086 220,504,172
-1 -2 -110,252,086 -220,504,172

Now, we try dividing 220,504,172 by 3:

220,504,172 ÷ 3 = 73,501,390.6667

If the quotient is a whole number, then 3 and 73,501,390.6667 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 2 110,252,086 220,504,172
-1 -2 -110,252,086 -220,504,172

Let's try dividing by 4:

220,504,172 ÷ 4 = 55,126,043

If the quotient is a whole number, then 4 and 55,126,043 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 4 55,126,043 110,252,086 220,504,172
-1 -2 -4 -55,126,043 -110,252,086 220,504,172
Keep dividing by the next highest number until you cannot divide anymore.

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

1247142843861723013734916027469821,2041,4921,9642,6113,4375,2226,87410,44413,74816,03921,11332,07842,22664,15684,452112,273147,791183,143224,546295,582366,286449,092591,164732,5721,282,0012,564,0025,128,0047,875,14915,750,29831,500,59655,126,043110,252,086220,504,172
-1-2-4-7-14-28-43-86-172-301-373-491-602-746-982-1,204-1,492-1,964-2,611-3,437-5,222-6,874-10,444-13,748-16,039-21,113-32,078-42,226-64,156-84,452-112,273-147,791-183,143-224,546-295,582-366,286-449,092-591,164-732,572-1,282,001-2,564,002-5,128,004-7,875,149-15,750,298-31,500,596-55,126,043-110,252,086-220,504,172

More Examples

Here are some more numbers to try:

220,504,170220,504,171220,504,173220,504,174
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