Q: What are the prime factors of the number 102,544?

 A: 2, 13, 17, 29

Why are those the prime factors of the number 102,544?

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 102,544

102,544
Factor Arrows
251,272
Factor Arrows
225,636
Factor Arrows
212,818
Factor Arrows
26,409
Factor Arrows
13493
Factor Arrows
1729

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, 17, 29

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 13 x 17 x 29 = 102,544

This can also be written as 24 x 131 x 171 x 291 = 102,544

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


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