Q: What are the prime factors of the number 144,002,313?

 A: 3, 7, 13, 29, 43, 47

Why are those the prime factors of the number 144,002,313?

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 144,002,313

144,002,313
Factor Arrows
348,000,771
Factor Arrows
316,000,257
Factor Arrows
35,333,419
Factor Arrows
7761,917
Factor Arrows
1358,609
Factor Arrows
292,021
Factor Arrows
4347

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, 13, 29, 43, 47

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 7 x 13 x 29 x 43 x 47 = 144,002,313

This can also be written as 33 x 71 x 131 x 291 x 431 x 471 = 144,002,313

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


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