Q: What are the prime factors of the number 301,311,400?

 A: 2, 5, 13, 17, 401

Why are those the prime factors of the number 301,311,400?

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 301,311,400

301,311,400
Factor Arrows
2150,655,700
Factor Arrows
275,327,850
Factor Arrows
237,663,925
Factor Arrows
57,532,785
Factor Arrows
51,506,557
Factor Arrows
13115,889
Factor Arrows
176,817
Factor Arrows
17401

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, 5, 13, 17, 401

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 5 x 13 x 17 x 17 x 401 = 301,311,400

This can also be written as 23 x 52 x 131 x 172 x 4011 = 301,311,400

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


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