Q: What are the prime factors of the number 64,566,369?

 A: 3, 7, 37, 1319

Why are those the prime factors of the number 64,566,369?

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 64,566,369

64,566,369
Factor Arrows
321,522,123
Factor Arrows
37,174,041
Factor Arrows
32,391,347
Factor Arrows
7341,621
Factor Arrows
748,803
Factor Arrows
371,319

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:

3, 7, 37, 1319

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 7 x 7 x 37 x 1,319 = 64,566,369

This can also be written as 33 x 72 x 371 x 1,3191 = 64,566,369

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


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