Q: What are the prime factors of the number 47,372,689?

 A: 7, 13, 29, 619

Why are those the prime factors of the number 47,372,689?

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 47,372,689

47,372,689
Factor Arrows
76,767,527
Factor Arrows
13520,579
Factor Arrows
2917,951
Factor Arrows
29619

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:

7, 13, 29, 619

We can check our work by multiplying all of the prime factors together: 7 x 13 x 29 x 29 x 619 = 47,372,689

This can also be written as 71 x 131 x 292 x 6191 = 47,372,689

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


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