Q: What are the prime factors of the number 616,356?

 A: 2, 3, 13, 439

Why are those the prime factors of the number 616,356?

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 616,356

616,356
Factor Arrows
2308,178
Factor Arrows
2154,089
Factor Arrows
351,363
Factor Arrows
317,121
Factor Arrows
35,707
Factor Arrows
13439

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, 3, 13, 439

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 13 x 439 = 616,356

This can also be written as 22 x 33 x 131 x 4391 = 616,356

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


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