Q: What are the prime factors of the number 10,357,424?

 A: 2, 7, 11, 1201

Why are those the prime factors of the number 10,357,424?

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 10,357,424

10,357,424
Factor Arrows
25,178,712
Factor Arrows
22,589,356
Factor Arrows
21,294,678
Factor Arrows
2647,339
Factor Arrows
792,477
Factor Arrows
713,211
Factor Arrows
111,201

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, 1201

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 7 x 11 x 1,201 = 10,357,424

This can also be written as 24 x 72 x 111 x 1,2011 = 10,357,424

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


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