Q: What are the prime factors of the number 74,231,004?

 A: 2, 3, 139, 191, 233

Why are those the prime factors of the number 74,231,004?

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 74,231,004

74,231,004
Factor Arrows
237,115,502
Factor Arrows
218,557,751
Factor Arrows
36,185,917
Factor Arrows
13944,503
Factor Arrows
191233

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, 139, 191, 233

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 139 x 191 x 233 = 74,231,004

This can also be written as 22 x 31 x 1391 x 1911 x 2331 = 74,231,004

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


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