Q: What are the prime factors of the number 606,321,420?

 A: 2, 3, 5, 2111, 4787

Why are those the prime factors of the number 606,321,420?

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 606,321,420

606,321,420
Factor Arrows
2303,160,710
Factor Arrows
2151,580,355
Factor Arrows
350,526,785
Factor Arrows
510,105,357
Factor Arrows
2,1114,787

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, 2111, 4787

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 2,111 x 4,787 = 606,321,420

This can also be written as 22 x 31 x 51 x 2,1111 x 4,7871 = 606,321,420

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


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