Q: What are the prime factors of the number 34,891,840?

 A: 2, 5, 109037

Why are those the prime factors of the number 34,891,840?

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 34,891,840

34,891,840
Factor Arrows
217,445,920
Factor Arrows
28,722,960
Factor Arrows
24,361,480
Factor Arrows
22,180,740
Factor Arrows
21,090,370
Factor Arrows
2545,185
Factor Arrows
5109,037

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, 109037

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 5 x 109,037 = 34,891,840

This can also be written as 26 x 51 x 109,0371 = 34,891,840

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


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