Q: What are the prime factors of the number 322,213,400?

 A: 2, 5, 19, 84793

Why are those the prime factors of the number 322,213,400?

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 322,213,400

322,213,400
Factor Arrows
2161,106,700
Factor Arrows
280,553,350
Factor Arrows
240,276,675
Factor Arrows
58,055,335
Factor Arrows
51,611,067
Factor Arrows
1984,793

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, 84793

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 5 x 19 x 84,793 = 322,213,400

This can also be written as 23 x 52 x 191 x 84,7931 = 322,213,400

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


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