Q: What are the prime factors of the number 11,571,754?

 A: 2, 29, 131, 1523

Why are those the prime factors of the number 11,571,754?

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 11,571,754

11,571,754
Factor Arrows
25,785,877
Factor Arrows
29199,513
Factor Arrows
1311,523

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, 29, 131, 1523

We can check our work by multiplying all of the prime factors together: 2 x 29 x 131 x 1,523 = 11,571,754

This can also be written as 21 x 291 x 1311 x 1,5231 = 11,571,754

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


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