Q: What are the prime factors of the number 624,656,730?

 A: 2, 3, 5, 19, 41, 26729

Why are those the prime factors of the number 624,656,730?

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 624,656,730

624,656,730
Factor Arrows
2312,328,365
Factor Arrows
3104,109,455
Factor Arrows
520,821,891
Factor Arrows
191,095,889
Factor Arrows
4126,729

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, 5, 19, 41, 26729

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 19 x 41 x 26,729 = 624,656,730

This can also be written as 21 x 31 x 51 x 191 x 411 x 26,7291 = 624,656,730

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


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