Q: What are the prime factors of the number 51,278,508?

 A: 2, 3, 101, 1567

Why are those the prime factors of the number 51,278,508?

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 51,278,508

51,278,508
Factor Arrows
225,639,254
Factor Arrows
212,819,627
Factor Arrows
34,273,209
Factor Arrows
31,424,403
Factor Arrows
3474,801
Factor Arrows
3158,267
Factor Arrows
1011,567

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, 101, 1567

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 101 x 1,567 = 51,278,508

This can also be written as 22 x 34 x 1011 x 1,5671 = 51,278,508

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


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