Q: What are the prime factors of the number 430,550,456?

 A: 2, 7, 47, 23369

Why are those the prime factors of the number 430,550,456?

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 430,550,456

430,550,456
Factor Arrows
2215,275,228
Factor Arrows
2107,637,614
Factor Arrows
253,818,807
Factor Arrows
77,688,401
Factor Arrows
71,098,343
Factor Arrows
4723,369

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, 7, 47, 23369

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 7 x 47 x 23,369 = 430,550,456

This can also be written as 23 x 72 x 471 x 23,3691 = 430,550,456

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


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