Q: What are the prime factors of the number 46,072,845?

 A: 3, 5, 7, 13, 11251

Why are those the prime factors of the number 46,072,845?

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 46,072,845

46,072,845
Factor Arrows
315,357,615
Factor Arrows
35,119,205
Factor Arrows
51,023,841
Factor Arrows
7146,263
Factor Arrows
1311,251

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:

3, 5, 7, 13, 11251

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 7 x 13 x 11,251 = 46,072,845

This can also be written as 32 x 51 x 71 x 131 x 11,2511 = 46,072,845

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


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