Q: What are the prime factors of the number 34,310,432?

 A: 2, 13, 67, 1231

Why are those the prime factors of the number 34,310,432?

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 34,310,432

34,310,432
Factor Arrows
217,155,216
Factor Arrows
28,577,608
Factor Arrows
24,288,804
Factor Arrows
22,144,402
Factor Arrows
21,072,201
Factor Arrows
1382,477
Factor Arrows
671,231

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, 13, 67, 1231

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 13 x 67 x 1,231 = 34,310,432

This can also be written as 25 x 131 x 671 x 1,2311 = 34,310,432

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


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