Q: What are the prime factors of the number 734,976?

 A: 2, 3, 11, 29

Why are those the prime factors of the number 734,976?

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 734,976

734,976
Factor Arrows
2367,488
Factor Arrows
2183,744
Factor Arrows
291,872
Factor Arrows
245,936
Factor Arrows
222,968
Factor Arrows
211,484
Factor Arrows
25,742
Factor Arrows
22,871
Factor Arrows
3957
Factor Arrows
3319
Factor Arrows
1129

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, 11, 29

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 2 x 2 x 3 x 3 x 11 x 29 = 734,976

This can also be written as 28 x 32 x 111 x 291 = 734,976

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


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