Q: What are the prime factors of the number 34,645,104?

 A: 2, 3, 13, 31, 199

Why are those the prime factors of the number 34,645,104?

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 34,645,104

34,645,104
Factor Arrows
217,322,552
Factor Arrows
28,661,276
Factor Arrows
24,330,638
Factor Arrows
22,165,319
Factor Arrows
3721,773
Factor Arrows
3240,591
Factor Arrows
380,197
Factor Arrows
136,169
Factor Arrows
31199

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, 31, 199

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 13 x 31 x 199 = 34,645,104

This can also be written as 24 x 33 x 131 x 311 x 1991 = 34,645,104

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


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