Q: What are the prime factors of the number 16,313,285?

 A: 5, 17, 31, 41, 151

Why are those the prime factors of the number 16,313,285?

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 16,313,285

16,313,285
Factor Arrows
53,262,657
Factor Arrows
17191,921
Factor Arrows
316,191
Factor Arrows
41151

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:

5, 17, 31, 41, 151

We can check our work by multiplying all of the prime factors together: 5 x 17 x 31 x 41 x 151 = 16,313,285

This can also be written as 51 x 171 x 311 x 411 x 1511 = 16,313,285

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


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