Q: What are the prime factors of the number 651,847?

 A: 7, 53, 251

Why are those the prime factors of the number 651,847?

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 651,847

651,847
Factor Arrows
793,121
Factor Arrows
713,303
Factor Arrows
53251

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, 53, 251

We can check our work by multiplying all of the prime factors together: 7 x 7 x 53 x 251 = 651,847

This can also be written as 72 x 531 x 2511 = 651,847

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


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