Q: What are the prime factors of the number 903,504?

 A: 2, 3, 7, 2689

Why are those the prime factors of the number 903,504?

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 903,504

903,504
Factor Arrows
2451,752
Factor Arrows
2225,876
Factor Arrows
2112,938
Factor Arrows
256,469
Factor Arrows
318,823
Factor Arrows
72,689

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, 2689

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 7 x 2,689 = 903,504

This can also be written as 24 x 31 x 71 x 2,6891 = 903,504

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


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