Q: What are the prime factors of the number 4,978,496?

 A: 2, 107, 727

Why are those the prime factors of the number 4,978,496?

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 4,978,496

4,978,496
Factor Arrows
22,489,248
Factor Arrows
21,244,624
Factor Arrows
2622,312
Factor Arrows
2311,156
Factor Arrows
2155,578
Factor Arrows
277,789
Factor Arrows
107727

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, 107, 727

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 107 x 727 = 4,978,496

This can also be written as 26 x 1071 x 7271 = 4,978,496

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


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