Q: What are the prime factors of the number 301,531,216?

 A: 2, 7, 19, 141697

Why are those the prime factors of the number 301,531,216?

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 301,531,216

301,531,216
Factor Arrows
2150,765,608
Factor Arrows
275,382,804
Factor Arrows
237,691,402
Factor Arrows
218,845,701
Factor Arrows
72,692,243
Factor Arrows
19141,697

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, 7, 19, 141697

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 19 x 141,697 = 301,531,216

This can also be written as 24 x 71 x 191 x 141,6971 = 301,531,216

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


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