Q: What are the prime factors of the number 550,456,030?

 A: 2, 5, 19, 37, 78301

Why are those the prime factors of the number 550,456,030?

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 550,456,030

550,456,030
Factor Arrows
2275,228,015
Factor Arrows
555,045,603
Factor Arrows
192,897,137
Factor Arrows
3778,301

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, 5, 19, 37, 78301

We can check our work by multiplying all of the prime factors together: 2 x 5 x 19 x 37 x 78,301 = 550,456,030

This can also be written as 21 x 51 x 191 x 371 x 78,3011 = 550,456,030

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


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