Q: What are the prime factors of the number 321,026,624?

 A: 2, 1627, 3083

Why are those the prime factors of the number 321,026,624?

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 321,026,624

321,026,624
Factor Arrows
2160,513,312
Factor Arrows
280,256,656
Factor Arrows
240,128,328
Factor Arrows
220,064,164
Factor Arrows
210,032,082
Factor Arrows
25,016,041
Factor Arrows
1,6273,083

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, 1627, 3083

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 1,627 x 3,083 = 321,026,624

This can also be written as 26 x 1,6271 x 3,0831 = 321,026,624

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


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