Q: What are the prime factors of the number 164,406,464?

 A: 2, 71, 97, 373

Why are those the prime factors of the number 164,406,464?

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 164,406,464

164,406,464
Factor Arrows
282,203,232
Factor Arrows
241,101,616
Factor Arrows
220,550,808
Factor Arrows
210,275,404
Factor Arrows
25,137,702
Factor Arrows
22,568,851
Factor Arrows
7136,181
Factor Arrows
97373

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, 71, 97, 373

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 71 x 97 x 373 = 164,406,464

This can also be written as 26 x 711 x 971 x 3731 = 164,406,464

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


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