Q: What are the prime factors of the number 334,430,400?

 A: 2, 3, 5, 19, 193

Why are those the prime factors of the number 334,430,400?

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 334,430,400

334,430,400
Factor Arrows
2167,215,200
Factor Arrows
283,607,600
Factor Arrows
241,803,800
Factor Arrows
220,901,900
Factor Arrows
210,450,950
Factor Arrows
25,225,475
Factor Arrows
31,741,825
Factor Arrows
5348,365
Factor Arrows
569,673
Factor Arrows
193,667
Factor Arrows
19193

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, 19, 193

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 5 x 19 x 19 x 193 = 334,430,400

This can also be written as 26 x 31 x 52 x 192 x 1931 = 334,430,400

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


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