Q: What are the prime factors of the number 612,768?

 A: 2, 3, 13, 491

Why are those the prime factors of the number 612,768?

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 612,768

612,768
Factor Arrows
2306,384
Factor Arrows
2153,192
Factor Arrows
276,596
Factor Arrows
238,298
Factor Arrows
219,149
Factor Arrows
36,383
Factor Arrows
13491

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, 13, 491

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 13 x 491 = 612,768

This can also be written as 25 x 31 x 131 x 4911 = 612,768

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


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