Q: What are the prime factors of the number 330,420,032?

 A: 2, 19, 281, 967

Why are those the prime factors of the number 330,420,032?

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 330,420,032

330,420,032
Factor Arrows
2165,210,016
Factor Arrows
282,605,008
Factor Arrows
241,302,504
Factor Arrows
220,651,252
Factor Arrows
210,325,626
Factor Arrows
25,162,813
Factor Arrows
19271,727
Factor Arrows
281967

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, 19, 281, 967

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 19 x 281 x 967 = 330,420,032

This can also be written as 26 x 191 x 2811 x 9671 = 330,420,032

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


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