Q: What are the prime factors of the number 53,210,304?

 A: 2, 3, 7, 53, 83

Why are those the prime factors of the number 53,210,304?

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 53,210,304

53,210,304
Factor Arrows
226,605,152
Factor Arrows
213,302,576
Factor Arrows
26,651,288
Factor Arrows
23,325,644
Factor Arrows
21,662,822
Factor Arrows
2831,411
Factor Arrows
3277,137
Factor Arrows
392,379
Factor Arrows
330,793
Factor Arrows
74,399
Factor Arrows
5383

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, 3, 7, 53, 83

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 3 x 3 x 3 x 7 x 53 x 83 = 53,210,304

This can also be written as 26 x 33 x 71 x 531 x 831 = 53,210,304

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


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