Q: What are the prime factors of the number 30,005,276?

 A: 2, 7, 41, 59, 443

Why are those the prime factors of the number 30,005,276?

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 30,005,276

30,005,276
Factor Arrows
215,002,638
Factor Arrows
27,501,319
Factor Arrows
71,071,617
Factor Arrows
4126,137
Factor Arrows
59443

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, 7, 41, 59, 443

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 41 x 59 x 443 = 30,005,276

This can also be written as 22 x 71 x 411 x 591 x 4431 = 30,005,276

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


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