Q: What are the prime factors of the number 393,031,038?

 A: 2, 3, 23, 2848051

Why are those the prime factors of the number 393,031,038?

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 393,031,038

393,031,038
Factor Arrows
2196,515,519
Factor Arrows
365,505,173
Factor Arrows
232,848,051

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, 23, 2848051

We can check our work by multiplying all of the prime factors together: 2 x 3 x 23 x 2,848,051 = 393,031,038

This can also be written as 21 x 31 x 231 x 2,848,0511 = 393,031,038

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


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