Q: What are the prime factors of the number 563,010,318?

 A: 2, 3, 13, 17, 19, 191

Why are those the prime factors of the number 563,010,318?

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 563,010,318

563,010,318
Factor Arrows
2281,505,159
Factor Arrows
393,835,053
Factor Arrows
331,278,351
Factor Arrows
310,426,117
Factor Arrows
13802,009
Factor Arrows
1361,693
Factor Arrows
173,629
Factor Arrows
19191

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, 13, 17, 19, 191

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 13 x 13 x 17 x 19 x 191 = 563,010,318

This can also be written as 21 x 33 x 132 x 171 x 191 x 1911 = 563,010,318

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


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