Q: What are the prime factors of the number 34,426,560?

 A: 2, 3, 5, 7, 47, 109

Why are those the prime factors of the number 34,426,560?

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 34,426,560

34,426,560
Factor Arrows
217,213,280
Factor Arrows
28,606,640
Factor Arrows
24,303,320
Factor Arrows
22,151,660
Factor Arrows
21,075,830
Factor Arrows
2537,915
Factor Arrows
3179,305
Factor Arrows
535,861
Factor Arrows
75,123
Factor Arrows
47109

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, 5, 7, 47, 109

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 3 x 5 x 7 x 47 x 109 = 34,426,560

This can also be written as 26 x 31 x 51 x 71 x 471 x 1091 = 34,426,560

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


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