Q: What are the prime factors of the number 34,402,356?

 A: 2, 3, 17, 67, 839

Why are those the prime factors of the number 34,402,356?

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 34,402,356

34,402,356
Factor Arrows
217,201,178
Factor Arrows
28,600,589
Factor Arrows
32,866,863
Factor Arrows
3955,621
Factor Arrows
1756,213
Factor Arrows
67839

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, 17, 67, 839

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 17 x 67 x 839 = 34,402,356

This can also be written as 22 x 32 x 171 x 671 x 8391 = 34,402,356

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


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