Q: What are the factor combinations of the number 400,156,236?

 A:
Positive:   1 x 4001562362 x 2000781183 x 1333854124 x 1000390596 x 666927069 x 4446180412 x 3334635318 x 2223090236 x 11115451103 x 3885012206 x 1942506309 x 1295004311 x 1286676347 x 1153188412 x 971253618 x 647502622 x 643338694 x 576594927 x 431668933 x 4288921041 x 3843961236 x 3237511244 x 3216691388 x 2882971854 x 2158341866 x 2144462082 x 1921982799 x 1429643123 x 1281323708 x 1079173732 x 1072234164 x 960995598 x 714826246 x 6406611196 x 3574112492 x 32033
Negative: -1 x -400156236-2 x -200078118-3 x -133385412-4 x -100039059-6 x -66692706-9 x -44461804-12 x -33346353-18 x -22230902-36 x -11115451-103 x -3885012-206 x -1942506-309 x -1295004-311 x -1286676-347 x -1153188-412 x -971253-618 x -647502-622 x -643338-694 x -576594-927 x -431668-933 x -428892-1041 x -384396-1236 x -323751-1244 x -321669-1388 x -288297-1854 x -215834-1866 x -214446-2082 x -192198-2799 x -142964-3123 x -128132-3708 x -107917-3732 x -107223-4164 x -96099-5598 x -71482-6246 x -64066-11196 x -35741-12492 x -32033


How do I find the factor combinations of the number 400,156,236?

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 400,156,236, 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.

1 400,156,236
-1 -400,156,236

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 400,156,236.

Example:
1 x 400,156,236 = 400,156,236
and
-1 x -400,156,236 = 400,156,236
Notice both answers equal 400,156,236

With that explanation out of the way, let's continue. Next, we take the number 400,156,236 and divide it by 2:

400,156,236 ÷ 2 = 200,078,118

If the quotient is a whole number, then 2 and 200,078,118 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 2 200,078,118 400,156,236
-1 -2 -200,078,118 -400,156,236

Now, we try dividing 400,156,236 by 3:

400,156,236 ÷ 3 = 133,385,412

If the quotient is a whole number, then 3 and 133,385,412 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 3 133,385,412 200,078,118 400,156,236
-1 -2 -3 -133,385,412 -200,078,118 -400,156,236

Let's try dividing by 4:

400,156,236 ÷ 4 = 100,039,059

If the quotient is a whole number, then 4 and 100,039,059 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 4 100,039,059 133,385,412 200,078,118 400,156,236
-1 -2 -3 -4 -100,039,059 -133,385,412 -200,078,118 400,156,236
Keep dividing by the next highest number until you cannot divide anymore.

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

1234691218361032063093113474126186226949279331,0411,2361,2441,3881,8541,8662,0822,7993,1233,7083,7324,1645,5986,24611,19612,49232,03335,74164,06671,48296,099107,223107,917128,132142,964192,198214,446215,834288,297321,669323,751384,396428,892431,668576,594643,338647,502971,2531,153,1881,286,6761,295,0041,942,5063,885,01211,115,45122,230,90233,346,35344,461,80466,692,706100,039,059133,385,412200,078,118400,156,236
-1-2-3-4-6-9-12-18-36-103-206-309-311-347-412-618-622-694-927-933-1,041-1,236-1,244-1,388-1,854-1,866-2,082-2,799-3,123-3,708-3,732-4,164-5,598-6,246-11,196-12,492-32,033-35,741-64,066-71,482-96,099-107,223-107,917-128,132-142,964-192,198-214,446-215,834-288,297-321,669-323,751-384,396-428,892-431,668-576,594-643,338-647,502-971,253-1,153,188-1,286,676-1,295,004-1,942,506-3,885,012-11,115,451-22,230,902-33,346,353-44,461,804-66,692,706-100,039,059-133,385,412-200,078,118-400,156,236

More Examples

Here are some more numbers to try:

400,156,234400,156,235400,156,237400,156,238
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