Q: What are the prime factors of the number 214,051,408?

 A: 2, 89, 191, 787

Why are those the prime factors of the number 214,051,408?

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 214,051,408

214,051,408
Factor Arrows
2107,025,704
Factor Arrows
253,512,852
Factor Arrows
226,756,426
Factor Arrows
213,378,213
Factor Arrows
89150,317
Factor Arrows
191787

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, 89, 191, 787

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 89 x 191 x 787 = 214,051,408

This can also be written as 24 x 891 x 1911 x 7871 = 214,051,408

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


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