Q: What are the prime factors of the number 10,974,816?

 A: 2, 3, 53, 719

Why are those the prime factors of the number 10,974,816?

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 10,974,816

10,974,816
Factor Arrows
25,487,408
Factor Arrows
22,743,704
Factor Arrows
21,371,852
Factor Arrows
2685,926
Factor Arrows
2342,963
Factor Arrows
3114,321
Factor Arrows
338,107
Factor Arrows
53719

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, 3, 53, 719

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 53 x 719 = 10,974,816

This can also be written as 25 x 32 x 531 x 7191 = 10,974,816

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


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