Q: What are the prime factors of the number 344,400?

 A: 2, 3, 5, 7, 41

Why are those the prime factors of the number 344,400?

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 344,400

344,400
Factor Arrows
2172,200
Factor Arrows
286,100
Factor Arrows
243,050
Factor Arrows
221,525
Factor Arrows
37,175
Factor Arrows
51,435
Factor Arrows
5287
Factor Arrows
741

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, 41

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 5 x 5 x 7 x 41 = 344,400

This can also be written as 24 x 31 x 52 x 71 x 411 = 344,400

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


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