Q: What are the prime factors of the number 102,021,458?

 A: 2, 7, 11, 662477

Why are those the prime factors of the number 102,021,458?

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 102,021,458

102,021,458
Factor Arrows
251,010,729
Factor Arrows
77,287,247
Factor Arrows
11662,477

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, 11, 662477

We can check our work by multiplying all of the prime factors together: 2 x 7 x 11 x 662,477 = 102,021,458

This can also be written as 21 x 71 x 111 x 662,4771 = 102,021,458

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


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