Q: What are the prime factors of the number 64,817,311?

 A: 13, 17, 31, 9461

Why are those the prime factors of the number 64,817,311?

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 64,817,311

64,817,311
Factor Arrows
134,985,947
Factor Arrows
17293,291
Factor Arrows
319,461

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:

13, 17, 31, 9461

We can check our work by multiplying all of the prime factors together: 13 x 17 x 31 x 9,461 = 64,817,311

This can also be written as 131 x 171 x 311 x 9,4611 = 64,817,311

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


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