Q: What are the prime factors of the number 34,865,390?

 A: 2, 5, 7, 31, 16067

Why are those the prime factors of the number 34,865,390?

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 34,865,390

34,865,390
Factor Arrows
217,432,695
Factor Arrows
53,486,539
Factor Arrows
7498,077
Factor Arrows
3116,067

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, 5, 7, 31, 16067

We can check our work by multiplying all of the prime factors together: 2 x 5 x 7 x 31 x 16,067 = 34,865,390

This can also be written as 21 x 51 x 71 x 311 x 16,0671 = 34,865,390

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


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