Q: What are the prime factors of the number 563,457,350?

 A: 2, 5, 17, 19, 139, 251

Why are those the prime factors of the number 563,457,350?

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 563,457,350

563,457,350
Factor Arrows
2281,728,675
Factor Arrows
556,345,735
Factor Arrows
511,269,147
Factor Arrows
17662,891
Factor Arrows
1934,889
Factor Arrows
139251

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, 5, 17, 19, 139, 251

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 17 x 19 x 139 x 251 = 563,457,350

This can also be written as 21 x 52 x 171 x 191 x 1391 x 2511 = 563,457,350

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


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