Q: What are the prime factors of the number 46,771,312?

 A: 2, 7, 19, 31, 709

Why are those the prime factors of the number 46,771,312?

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 46,771,312

46,771,312
Factor Arrows
223,385,656
Factor Arrows
211,692,828
Factor Arrows
25,846,414
Factor Arrows
22,923,207
Factor Arrows
7417,601
Factor Arrows
1921,979
Factor Arrows
31709

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, 7, 19, 31, 709

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 19 x 31 x 709 = 46,771,312

This can also be written as 24 x 71 x 191 x 311 x 7091 = 46,771,312

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


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