Q: What are the prime factors of the number 5,753,972?

 A: 2, 7, 31, 947

Why are those the prime factors of the number 5,753,972?

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 5,753,972

5,753,972
Factor Arrows
22,876,986
Factor Arrows
21,438,493
Factor Arrows
7205,499
Factor Arrows
729,357
Factor Arrows
31947

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, 31, 947

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 7 x 31 x 947 = 5,753,972

This can also be written as 22 x 72 x 311 x 9471 = 5,753,972

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


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