Q: What are the prime factors of the number 845,002?

 A: 2, 17, 29, 857

Why are those the prime factors of the number 845,002?

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 845,002

845,002
Factor Arrows
2422,501
Factor Arrows
1724,853
Factor Arrows
29857

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, 17, 29, 857

We can check our work by multiplying all of the prime factors together: 2 x 17 x 29 x 857 = 845,002

This can also be written as 21 x 171 x 291 x 8571 = 845,002

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


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