Q: What are the prime factors of the number 153,013,401?

 A: 3, 103, 55021

Why are those the prime factors of the number 153,013,401?

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 153,013,401

153,013,401
Factor Arrows
351,004,467
Factor Arrows
317,001,489
Factor Arrows
35,667,163
Factor Arrows
10355,021

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, 103, 55021

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 103 x 55,021 = 153,013,401

This can also be written as 33 x 1031 x 55,0211 = 153,013,401

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


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