Q: What are the prime factors of the number 320,100,408?

 A: 2, 3, 4445839

Why are those the prime factors of the number 320,100,408?

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 320,100,408

320,100,408
Factor Arrows
2160,050,204
Factor Arrows
280,025,102
Factor Arrows
240,012,551
Factor Arrows
313,337,517
Factor Arrows
34,445,839

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, 4445839

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 4,445,839 = 320,100,408

This can also be written as 23 x 32 x 4,445,8391 = 320,100,408

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


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