Q: What are the prime factors of the number 5,616,384?

 A: 2, 3, 71, 103

Why are those the prime factors of the number 5,616,384?

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 5,616,384

5,616,384
Factor Arrows
22,808,192
Factor Arrows
21,404,096
Factor Arrows
2702,048
Factor Arrows
2351,024
Factor Arrows
2175,512
Factor Arrows
287,756
Factor Arrows
243,878
Factor Arrows
221,939
Factor Arrows
37,313
Factor Arrows
71103

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, 71, 103

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 2 x 2 x 3 x 71 x 103 = 5,616,384

This can also be written as 28 x 31 x 711 x 1031 = 5,616,384

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


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