Q: What are the prime factors of the number 328,804,623?

 A: 3, 7, 197, 8831

Why are those the prime factors of the number 328,804,623?

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 328,804,623

328,804,623
Factor Arrows
3109,601,541
Factor Arrows
336,533,847
Factor Arrows
312,177,949
Factor Arrows
71,739,707
Factor Arrows
1978,831

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:

3, 7, 197, 8831

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 7 x 197 x 8,831 = 328,804,623

This can also be written as 33 x 71 x 1971 x 8,8311 = 328,804,623

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


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