Q: What are the prime factors of the number 322,213,100?

 A: 2, 5, 11, 292921

Why are those the prime factors of the number 322,213,100?

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 322,213,100

322,213,100
Factor Arrows
2161,106,550
Factor Arrows
280,553,275
Factor Arrows
516,110,655
Factor Arrows
53,222,131
Factor Arrows
11292,921

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, 11, 292921

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 11 x 292,921 = 322,213,100

This can also be written as 22 x 52 x 111 x 292,9211 = 322,213,100

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


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