Q: What are the prime factors of the number 422,130,030?

 A: 2, 3, 5, 7, 19, 47, 2251

Why are those the prime factors of the number 422,130,030?

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 422,130,030

422,130,030
Factor Arrows
2211,065,015
Factor Arrows
370,355,005
Factor Arrows
514,071,001
Factor Arrows
72,010,143
Factor Arrows
19105,797
Factor Arrows
472,251

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, 5, 7, 19, 47, 2251

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 7 x 19 x 47 x 2,251 = 422,130,030

This can also be written as 21 x 31 x 51 x 71 x 191 x 471 x 2,2511 = 422,130,030

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


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