Q: What are the prime factors of the number 563,615,312?

 A: 2, 13, 263, 10303

Why are those the prime factors of the number 563,615,312?

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 563,615,312

563,615,312
Factor Arrows
2281,807,656
Factor Arrows
2140,903,828
Factor Arrows
270,451,914
Factor Arrows
235,225,957
Factor Arrows
132,709,689
Factor Arrows
26310,303

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, 13, 263, 10303

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 13 x 263 x 10,303 = 563,615,312

This can also be written as 24 x 131 x 2631 x 10,3031 = 563,615,312

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


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