Q: What are the prime factors of the number 5,428,962?

 A: 2, 3, 7, 11, 3917

Why are those the prime factors of the number 5,428,962?

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 5,428,962

5,428,962
Factor Arrows
22,714,481
Factor Arrows
3904,827
Factor Arrows
3301,609
Factor Arrows
743,087
Factor Arrows
113,917

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, 11, 3917

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 7 x 11 x 3,917 = 5,428,962

This can also be written as 21 x 32 x 71 x 111 x 3,9171 = 5,428,962

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


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