Q: What are the prime factors of the number 46,578,048?

 A: 2, 3, 11, 11027

Why are those the prime factors of the number 46,578,048?

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 46,578,048

46,578,048
Factor Arrows
223,289,024
Factor Arrows
211,644,512
Factor Arrows
25,822,256
Factor Arrows
22,911,128
Factor Arrows
21,455,564
Factor Arrows
2727,782
Factor Arrows
2363,891
Factor Arrows
3121,297
Factor Arrows
1111,027

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, 11, 11027

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 3 x 11 x 11,027 = 46,578,048

This can also be written as 27 x 31 x 111 x 11,0271 = 46,578,048

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


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