Q: What are the prime factors of the number 531,211,427?

 A: 17, 23, 491, 2767

Why are those the prime factors of the number 531,211,427?

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 531,211,427

531,211,427
Factor Arrows
1731,247,731
Factor Arrows
231,358,597
Factor Arrows
4912,767

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:

17, 23, 491, 2767

We can check our work by multiplying all of the prime factors together: 17 x 23 x 491 x 2,767 = 531,211,427

This can also be written as 171 x 231 x 4911 x 2,7671 = 531,211,427

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


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