Q: What are the prime factors of the number 47,277,153?

 A: 3, 7, 11, 17, 4013

Why are those the prime factors of the number 47,277,153?

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 47,277,153

47,277,153
Factor Arrows
315,759,051
Factor Arrows
35,253,017
Factor Arrows
7750,431
Factor Arrows
1168,221
Factor Arrows
174,013

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, 7, 11, 17, 4013

We can check our work by multiplying all of the prime factors together: 3 x 3 x 7 x 11 x 17 x 4,013 = 47,277,153

This can also be written as 32 x 71 x 111 x 171 x 4,0131 = 47,277,153

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


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