Q: What are the prime factors of the number 545,325,365?

 A: 5, 13, 19, 109, 4051

Why are those the prime factors of the number 545,325,365?

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 545,325,365

545,325,365
Factor Arrows
5109,065,073
Factor Arrows
138,389,621
Factor Arrows
19441,559
Factor Arrows
1094,051

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, 13, 19, 109, 4051

We can check our work by multiplying all of the prime factors together: 5 x 13 x 19 x 109 x 4,051 = 545,325,365

This can also be written as 51 x 131 x 191 x 1091 x 4,0511 = 545,325,365

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


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