Q: What are the prime factors of the number 104,603,265?

 A: 3, 5, 13, 19, 3137

Why are those the prime factors of the number 104,603,265?

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 104,603,265

104,603,265
Factor Arrows
334,867,755
Factor Arrows
311,622,585
Factor Arrows
33,874,195
Factor Arrows
5774,839
Factor Arrows
1359,603
Factor Arrows
193,137

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, 5, 13, 19, 3137

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 13 x 19 x 3,137 = 104,603,265

This can also be written as 33 x 51 x 131 x 191 x 3,1371 = 104,603,265

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


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