Q: What are the prime factors of the number 531,380,508?

 A: 2, 3, 5209, 8501

Why are those the prime factors of the number 531,380,508?

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 531,380,508

531,380,508
Factor Arrows
2265,690,254
Factor Arrows
2132,845,127
Factor Arrows
344,281,709
Factor Arrows
5,2098,501

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, 5209, 8501

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5,209 x 8,501 = 531,380,508

This can also be written as 22 x 31 x 5,2091 x 8,5011 = 531,380,508

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


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