Q: What are the prime factors of the number 11,526,424?

 A: 2, 7, 13, 71, 223

Why are those the prime factors of the number 11,526,424?

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 11,526,424

11,526,424
Factor Arrows
25,763,212
Factor Arrows
22,881,606
Factor Arrows
21,440,803
Factor Arrows
7205,829
Factor Arrows
1315,833
Factor Arrows
71223

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, 13, 71, 223

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 13 x 71 x 223 = 11,526,424

This can also be written as 23 x 71 x 131 x 711 x 2231 = 11,526,424

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


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