Q: What are the prime factors of the number 616,656?

 A: 2, 3, 29, 443

Why are those the prime factors of the number 616,656?

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 616,656

616,656
Factor Arrows
2308,328
Factor Arrows
2154,164
Factor Arrows
277,082
Factor Arrows
238,541
Factor Arrows
312,847
Factor Arrows
29443

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, 29, 443

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 29 x 443 = 616,656

This can also be written as 24 x 31 x 291 x 4431 = 616,656

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


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