Q: What are the prime factors of the number 53,210,476?

 A: 2, 11, 17, 29, 223

Why are those the prime factors of the number 53,210,476?

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 53,210,476

53,210,476
Factor Arrows
226,605,238
Factor Arrows
213,302,619
Factor Arrows
111,209,329
Factor Arrows
11109,939
Factor Arrows
176,467
Factor Arrows
29223

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, 11, 17, 29, 223

We can check our work by multiplying all of the prime factors together: 2 x 2 x 11 x 11 x 17 x 29 x 223 = 53,210,476

This can also be written as 22 x 112 x 171 x 291 x 2231 = 53,210,476

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


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