Q: What are the prime factors of the number 4,310,656?

 A: 2, 7, 17, 283

Why are those the prime factors of the number 4,310,656?

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 4,310,656

4,310,656
Factor Arrows
22,155,328
Factor Arrows
21,077,664
Factor Arrows
2538,832
Factor Arrows
2269,416
Factor Arrows
2134,708
Factor Arrows
267,354
Factor Arrows
233,677
Factor Arrows
74,811
Factor Arrows
17283

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, 7, 17, 283

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 7 x 17 x 283 = 4,310,656

This can also be written as 27 x 71 x 171 x 2831 = 4,310,656

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


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