Q: What are the prime factors of the number 4,963,072?

 A: 2, 19387

Why are those the prime factors of the number 4,963,072?

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 4,963,072

4,963,072
Factor Arrows
22,481,536
Factor Arrows
21,240,768
Factor Arrows
2620,384
Factor Arrows
2310,192
Factor Arrows
2155,096
Factor Arrows
277,548
Factor Arrows
238,774
Factor Arrows
219,387

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, 19387

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 19,387 = 4,963,072

This can also be written as 28 x 19,3871 = 4,963,072

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


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