Q: What are the prime factors of the number 427,126,576?

 A: 2, 53, 101, 4987

Why are those the prime factors of the number 427,126,576?

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 427,126,576

427,126,576
Factor Arrows
2213,563,288
Factor Arrows
2106,781,644
Factor Arrows
253,390,822
Factor Arrows
226,695,411
Factor Arrows
53503,687
Factor Arrows
1014,987

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, 53, 101, 4987

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 53 x 101 x 4,987 = 427,126,576

This can also be written as 24 x 531 x 1011 x 4,9871 = 427,126,576

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


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