Q: What are the factor combinations of the number 427,636,140?

 A:
Positive:   1 x 4276361402 x 2138180703 x 1425453804 x 1069090355 x 855272286 x 7127269010 x 4276361412 x 3563634515 x 2850907620 x 2138180730 x 1425453860 x 712726997 x 4408620194 x 2204310291 x 1469540388 x 1102155485 x 881724582 x 734770970 x 4408621164 x 3673851455 x 2939081940 x 2204312910 x 1469545820 x 73477
Negative: -1 x -427636140-2 x -213818070-3 x -142545380-4 x -106909035-5 x -85527228-6 x -71272690-10 x -42763614-12 x -35636345-15 x -28509076-20 x -21381807-30 x -14254538-60 x -7127269-97 x -4408620-194 x -2204310-291 x -1469540-388 x -1102155-485 x -881724-582 x -734770-970 x -440862-1164 x -367385-1455 x -293908-1940 x -220431-2910 x -146954-5820 x -73477


How do I find the factor combinations of the number 427,636,140?

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 427,636,140, 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.

1 427,636,140
-1 -427,636,140

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 427,636,140.

Example:
1 x 427,636,140 = 427,636,140
and
-1 x -427,636,140 = 427,636,140
Notice both answers equal 427,636,140

With that explanation out of the way, let's continue. Next, we take the number 427,636,140 and divide it by 2:

427,636,140 ÷ 2 = 213,818,070

If the quotient is a whole number, then 2 and 213,818,070 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 2 213,818,070 427,636,140
-1 -2 -213,818,070 -427,636,140

Now, we try dividing 427,636,140 by 3:

427,636,140 ÷ 3 = 142,545,380

If the quotient is a whole number, then 3 and 142,545,380 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 3 142,545,380 213,818,070 427,636,140
-1 -2 -3 -142,545,380 -213,818,070 -427,636,140

Let's try dividing by 4:

427,636,140 ÷ 4 = 106,909,035

If the quotient is a whole number, then 4 and 106,909,035 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 4 106,909,035 142,545,380 213,818,070 427,636,140
-1 -2 -3 -4 -106,909,035 -142,545,380 -213,818,070 427,636,140
Keep dividing by the next highest number until you cannot divide anymore.

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

123456101215203060971942913884855829701,1641,4551,9402,9105,82073,477146,954220,431293,908367,385440,862734,770881,7241,102,1551,469,5402,204,3104,408,6207,127,26914,254,53821,381,80728,509,07635,636,34542,763,61471,272,69085,527,228106,909,035142,545,380213,818,070427,636,140
-1-2-3-4-5-6-10-12-15-20-30-60-97-194-291-388-485-582-970-1,164-1,455-1,940-2,910-5,820-73,477-146,954-220,431-293,908-367,385-440,862-734,770-881,724-1,102,155-1,469,540-2,204,310-4,408,620-7,127,269-14,254,538-21,381,807-28,509,076-35,636,345-42,763,614-71,272,690-85,527,228-106,909,035-142,545,380-213,818,070-427,636,140

More Examples

Here are some more numbers to try:

427,636,138427,636,139427,636,141427,636,142
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