Q: What are the prime factors of the number 144,321,336?

 A: 2, 3, 2004463

Why are those the prime factors of the number 144,321,336?

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 144,321,336

144,321,336
Factor Arrows
272,160,668
Factor Arrows
236,080,334
Factor Arrows
218,040,167
Factor Arrows
36,013,389
Factor Arrows
32,004,463

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, 2004463

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 2,004,463 = 144,321,336

This can also be written as 23 x 32 x 2,004,4631 = 144,321,336

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


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