Q: What are the prime factors of the number 343,200,312?

 A: 2, 3, 7, 13, 1069

Why are those the prime factors of the number 343,200,312?

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 343,200,312

343,200,312
Factor Arrows
2171,600,156
Factor Arrows
285,800,078
Factor Arrows
242,900,039
Factor Arrows
314,300,013
Factor Arrows
34,766,671
Factor Arrows
7680,953
Factor Arrows
797,279
Factor Arrows
713,897
Factor Arrows
131,069

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, 7, 13, 1069

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 7 x 7 x 7 x 13 x 1,069 = 343,200,312

This can also be written as 23 x 32 x 73 x 131 x 1,0691 = 343,200,312

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


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