Q: What are the prime factors of the number 65,313,312?

 A: 2, 3, 680347

Why are those the prime factors of the number 65,313,312?

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 65,313,312

65,313,312
Factor Arrows
232,656,656
Factor Arrows
216,328,328
Factor Arrows
28,164,164
Factor Arrows
24,082,082
Factor Arrows
22,041,041
Factor Arrows
3680,347

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, 680347

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 680,347 = 65,313,312

This can also be written as 25 x 31 x 680,3471 = 65,313,312

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


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