Q: What are the prime factors of the number 10,005,212?

 A: 2, 7, 51047

Why are those the prime factors of the number 10,005,212?

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 10,005,212

10,005,212
Factor Arrows
25,002,606
Factor Arrows
22,501,303
Factor Arrows
7357,329
Factor Arrows
751,047

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, 51047

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 7 x 51,047 = 10,005,212

This can also be written as 22 x 72 x 51,0471 = 10,005,212

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


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