Q: What are the prime factors of the number 531,567,447?

 A: 3, 31, 103, 211, 263

Why are those the prime factors of the number 531,567,447?

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 531,567,447

531,567,447
Factor Arrows
3177,189,149
Factor Arrows
315,715,779
Factor Arrows
10355,493
Factor Arrows
211263

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, 31, 103, 211, 263

We can check our work by multiplying all of the prime factors together: 3 x 31 x 103 x 211 x 263 = 531,567,447

This can also be written as 31 x 311 x 1031 x 2111 x 2631 = 531,567,447

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


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