Q: What are the prime factors of the number 5,273,184?

 A: 2, 3, 7, 19, 59

Why are those the prime factors of the number 5,273,184?

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 5,273,184

5,273,184
Factor Arrows
22,636,592
Factor Arrows
21,318,296
Factor Arrows
2659,148
Factor Arrows
2329,574
Factor Arrows
2164,787
Factor Arrows
354,929
Factor Arrows
77,847
Factor Arrows
71,121
Factor Arrows
1959

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, 19, 59

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 7 x 7 x 19 x 59 = 5,273,184

This can also be written as 25 x 31 x 72 x 191 x 591 = 5,273,184

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


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