Q: What are the factor combinations of the number 402,425,320?

 A:
Positive:   1 x 4024253202 x 2012126604 x 1006063305 x 804850648 x 5030316510 x 4024253211 x 3658412019 x 2118028020 x 2012126622 x 1829206037 x 1087636038 x 1059014040 x 1006063344 x 914603055 x 731682474 x 543818076 x 529507088 x 457301595 x 4236056110 x 3658412148 x 2719090152 x 2647535185 x 2175272190 x 2118028209 x 1925480220 x 1829206296 x 1359545370 x 1087636380 x 1059014407 x 988760418 x 962740440 x 914603703 x 572440740 x 543818760 x 529507814 x 494380836 x 4813701045 x 3850961301 x 3093201406 x 2862201480 x 2719091628 x 2471901672 x 2406852035 x 1977522090 x 1925482602 x 1546602812 x 1431103256 x 1235953515 x 1144884070 x 988764180 x 962745204 x 773305624 x 715556505 x 618647030 x 572447733 x 520408140 x 494388360 x 4813710408 x 3866513010 x 3093214060 x 2862214311 x 2812015466 x 2602016280 x 24719
Negative: -1 x -402425320-2 x -201212660-4 x -100606330-5 x -80485064-8 x -50303165-10 x -40242532-11 x -36584120-19 x -21180280-20 x -20121266-22 x -18292060-37 x -10876360-38 x -10590140-40 x -10060633-44 x -9146030-55 x -7316824-74 x -5438180-76 x -5295070-88 x -4573015-95 x -4236056-110 x -3658412-148 x -2719090-152 x -2647535-185 x -2175272-190 x -2118028-209 x -1925480-220 x -1829206-296 x -1359545-370 x -1087636-380 x -1059014-407 x -988760-418 x -962740-440 x -914603-703 x -572440-740 x -543818-760 x -529507-814 x -494380-836 x -481370-1045 x -385096-1301 x -309320-1406 x -286220-1480 x -271909-1628 x -247190-1672 x -240685-2035 x -197752-2090 x -192548-2602 x -154660-2812 x -143110-3256 x -123595-3515 x -114488-4070 x -98876-4180 x -96274-5204 x -77330-5624 x -71555-6505 x -61864-7030 x -57244-7733 x -52040-8140 x -49438-8360 x -48137-10408 x -38665-13010 x -30932-14060 x -28622-14311 x -28120-15466 x -26020-16280 x -24719


How do I find the factor combinations of the number 402,425,320?

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 402,425,320, 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.

1 402,425,320
-1 -402,425,320

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 402,425,320.

Example:
1 x 402,425,320 = 402,425,320
and
-1 x -402,425,320 = 402,425,320
Notice both answers equal 402,425,320

With that explanation out of the way, let's continue. Next, we take the number 402,425,320 and divide it by 2:

402,425,320 ÷ 2 = 201,212,660

If the quotient is a whole number, then 2 and 201,212,660 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 2 201,212,660 402,425,320
-1 -2 -201,212,660 -402,425,320

Now, we try dividing 402,425,320 by 3:

402,425,320 ÷ 3 = 134,141,773.3333

If the quotient is a whole number, then 3 and 134,141,773.3333 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 2 201,212,660 402,425,320
-1 -2 -201,212,660 -402,425,320

Let's try dividing by 4:

402,425,320 ÷ 4 = 100,606,330

If the quotient is a whole number, then 4 and 100,606,330 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 4 100,606,330 201,212,660 402,425,320
-1 -2 -4 -100,606,330 -201,212,660 402,425,320
Keep dividing by the next highest number until you cannot divide anymore.

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

1245810111920223738404455747688951101481521851902092202963703804074184407037407608148361,0451,3011,4061,4801,6281,6722,0352,0902,6022,8123,2563,5154,0704,1805,2045,6246,5057,0307,7338,1408,36010,40813,01014,06014,31115,46616,28024,71926,02028,12028,62230,93238,66548,13749,43852,04057,24461,86471,55577,33096,27498,876114,488123,595143,110154,660192,548197,752240,685247,190271,909286,220309,320385,096481,370494,380529,507543,818572,440914,603962,740988,7601,059,0141,087,6361,359,5451,829,2061,925,4802,118,0282,175,2722,647,5352,719,0903,658,4124,236,0564,573,0155,295,0705,438,1807,316,8249,146,03010,060,63310,590,14010,876,36018,292,06020,121,26621,180,28036,584,12040,242,53250,303,16580,485,064100,606,330201,212,660402,425,320
-1-2-4-5-8-10-11-19-20-22-37-38-40-44-55-74-76-88-95-110-148-152-185-190-209-220-296-370-380-407-418-440-703-740-760-814-836-1,045-1,301-1,406-1,480-1,628-1,672-2,035-2,090-2,602-2,812-3,256-3,515-4,070-4,180-5,204-5,624-6,505-7,030-7,733-8,140-8,360-10,408-13,010-14,060-14,311-15,466-16,280-24,719-26,020-28,120-28,622-30,932-38,665-48,137-49,438-52,040-57,244-61,864-71,555-77,330-96,274-98,876-114,488-123,595-143,110-154,660-192,548-197,752-240,685-247,190-271,909-286,220-309,320-385,096-481,370-494,380-529,507-543,818-572,440-914,603-962,740-988,760-1,059,014-1,087,636-1,359,545-1,829,206-1,925,480-2,118,028-2,175,272-2,647,535-2,719,090-3,658,412-4,236,056-4,573,015-5,295,070-5,438,180-7,316,824-9,146,030-10,060,633-10,590,140-10,876,360-18,292,060-20,121,266-21,180,280-36,584,120-40,242,532-50,303,165-80,485,064-100,606,330-201,212,660-402,425,320

More Examples

Here are some more numbers to try:

402,425,318402,425,319402,425,321402,425,322
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