Q: What are the prime factors of the number 34,643,385?

 A: 3, 5, 7, 71, 1549

Why are those the prime factors of the number 34,643,385?

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 34,643,385

34,643,385
Factor Arrows
311,547,795
Factor Arrows
33,849,265
Factor Arrows
5769,853
Factor Arrows
7109,979
Factor Arrows
711,549

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, 7, 71, 1549

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 7 x 71 x 1,549 = 34,643,385

This can also be written as 32 x 51 x 71 x 711 x 1,5491 = 34,643,385

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


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