Q: What are the prime factors of the number 47,417,736?

 A: 2, 3, 47, 127, 331

Why are those the prime factors of the number 47,417,736?

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 47,417,736

47,417,736
Factor Arrows
223,708,868
Factor Arrows
211,854,434
Factor Arrows
25,927,217
Factor Arrows
31,975,739
Factor Arrows
4742,037
Factor Arrows
127331

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, 47, 127, 331

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 47 x 127 x 331 = 47,417,736

This can also be written as 23 x 31 x 471 x 1271 x 3311 = 47,417,736

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


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