Q: What are the prime factors of the number 214,820,604?

 A: 2, 3, 43, 73, 1901

Why are those the prime factors of the number 214,820,604?

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 214,820,604

214,820,604
Factor Arrows
2107,410,302
Factor Arrows
253,705,151
Factor Arrows
317,901,717
Factor Arrows
35,967,239
Factor Arrows
43138,773
Factor Arrows
731,901

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, 3, 43, 73, 1901

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 43 x 73 x 1,901 = 214,820,604

This can also be written as 22 x 32 x 431 x 731 x 1,9011 = 214,820,604

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


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