Q: What are the prime factors of the number 139,653?

 A: 3, 59, 263

Why are those the prime factors of the number 139,653?

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 139,653

139,653
Factor Arrows
346,551
Factor Arrows
315,517
Factor Arrows
59263

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:

3, 59, 263

We can check our work by multiplying all of the prime factors together: 3 x 3 x 59 x 263 = 139,653

This can also be written as 32 x 591 x 2631 = 139,653

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


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