Q: What are the prime factors of the number 51,257,670?

 A: 2, 3, 5, 233, 7333

Why are those the prime factors of the number 51,257,670?

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 51,257,670

51,257,670
Factor Arrows
225,628,835
Factor Arrows
38,542,945
Factor Arrows
51,708,589
Factor Arrows
2337,333

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, 5, 233, 7333

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 233 x 7,333 = 51,257,670

This can also be written as 21 x 31 x 51 x 2331 x 7,3331 = 51,257,670

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


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