Q: What are the prime factors of the number 64,246,315?

 A: 5, 7, 17, 19, 5683

Why are those the prime factors of the number 64,246,315?

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 64,246,315

64,246,315
Factor Arrows
512,849,263
Factor Arrows
71,835,609
Factor Arrows
17107,977
Factor Arrows
195,683

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:

5, 7, 17, 19, 5683

We can check our work by multiplying all of the prime factors together: 5 x 7 x 17 x 19 x 5,683 = 64,246,315

This can also be written as 51 x 71 x 171 x 191 x 5,6831 = 64,246,315

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


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