Q: What are the prime factors of the number 51,479,106?

 A: 2, 3, 7, 23, 331

Why are those the prime factors of the number 51,479,106?

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 51,479,106

51,479,106
Factor Arrows
225,739,553
Factor Arrows
38,579,851
Factor Arrows
71,225,693
Factor Arrows
7175,099
Factor Arrows
237,613
Factor Arrows
23331

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, 7, 23, 331

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 7 x 23 x 23 x 331 = 51,479,106

This can also be written as 21 x 31 x 72 x 232 x 3311 = 51,479,106

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


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