Q: What are the prime factors of the number 6,517,224?

 A: 2, 3, 7, 67, 193

Why are those the prime factors of the number 6,517,224?

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 6,517,224

6,517,224
Factor Arrows
23,258,612
Factor Arrows
21,629,306
Factor Arrows
2814,653
Factor Arrows
3271,551
Factor Arrows
390,517
Factor Arrows
712,931
Factor Arrows
67193

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, 67, 193

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 7 x 67 x 193 = 6,517,224

This can also be written as 23 x 32 x 71 x 671 x 1931 = 6,517,224

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


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