Q: What are the prime factors of the number 330,444,240?

 A: 2, 3, 5, 7, 28099

Why are those the prime factors of the number 330,444,240?

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 330,444,240

330,444,240
Factor Arrows
2165,222,120
Factor Arrows
282,611,060
Factor Arrows
241,305,530
Factor Arrows
220,652,765
Factor Arrows
36,884,255
Factor Arrows
51,376,851
Factor Arrows
7196,693
Factor Arrows
728,099

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, 28099

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 5 x 7 x 7 x 28,099 = 330,444,240

This can also be written as 24 x 31 x 51 x 72 x 28,0991 = 330,444,240

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


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