Q: What are the prime factors of the number 333,137,280?

 A: 2, 3, 5, 7, 3541

Why are those the prime factors of the number 333,137,280?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 333,137,280

333,137,280
Factor Arrows
2166,568,640
Factor Arrows
283,284,320
Factor Arrows
241,642,160
Factor Arrows
220,821,080
Factor Arrows
210,410,540
Factor Arrows
25,205,270
Factor Arrows
22,602,635
Factor Arrows
3867,545
Factor Arrows
5173,509
Factor Arrows
724,787
Factor Arrows
73,541

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 3, 5, 7, 3541

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 5 x 7 x 7 x 3,541 = 333,137,280

This can also be written as 27 x 31 x 51 x 72 x 3,5411 = 333,137,280

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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