Q: What are the prime factors of the number 11,242,210?

 A: 2, 5, 7, 160603

Why are those the prime factors of the number 11,242,210?

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 11,242,210

11,242,210
Factor Arrows
25,621,105
Factor Arrows
51,124,221
Factor Arrows
7160,603

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, 5, 7, 160603

We can check our work by multiplying all of the prime factors together: 2 x 5 x 7 x 160,603 = 11,242,210

This can also be written as 21 x 51 x 71 x 160,6031 = 11,242,210

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


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