Q: What are the prime factors of the number 503,010,216?

 A: 2, 3, 31, 43, 1747

Why are those the prime factors of the number 503,010,216?

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 503,010,216

503,010,216
Factor Arrows
2251,505,108
Factor Arrows
2125,752,554
Factor Arrows
262,876,277
Factor Arrows
320,958,759
Factor Arrows
36,986,253
Factor Arrows
32,328,751
Factor Arrows
3175,121
Factor Arrows
431,747

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, 31, 43, 1747

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 31 x 43 x 1,747 = 503,010,216

This can also be written as 23 x 33 x 311 x 431 x 1,7471 = 503,010,216

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


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