Q: What are the prime factors of the number 46,667,745?

 A: 3, 5, 61, 1889

Why are those the prime factors of the number 46,667,745?

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 46,667,745

46,667,745
Factor Arrows
315,555,915
Factor Arrows
35,185,305
Factor Arrows
31,728,435
Factor Arrows
3576,145
Factor Arrows
5115,229
Factor Arrows
611,889

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, 61, 1889

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 5 x 61 x 1,889 = 46,667,745

This can also be written as 34 x 51 x 611 x 1,8891 = 46,667,745

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


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