Q: What are the prime factors of the number 342,323,200?

 A: 2, 5, 3343

Why are those the prime factors of the number 342,323,200?

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 342,323,200

342,323,200
Factor Arrows
2171,161,600
Factor Arrows
285,580,800
Factor Arrows
242,790,400
Factor Arrows
221,395,200
Factor Arrows
210,697,600
Factor Arrows
25,348,800
Factor Arrows
22,674,400
Factor Arrows
21,337,200
Factor Arrows
2668,600
Factor Arrows
2334,300
Factor Arrows
2167,150
Factor Arrows
283,575
Factor Arrows
516,715
Factor Arrows
53,343

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, 3343

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 2 x 2 x 2 x 2 x 5 x 5 x 3,343 = 342,323,200

This can also be written as 212 x 52 x 3,3431 = 342,323,200

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


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