Q: What are the prime factors of the number 340,320,232?

 A: 2, 7, 31, 43, 47, 97

Why are those the prime factors of the number 340,320,232?

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 340,320,232

340,320,232
Factor Arrows
2170,160,116
Factor Arrows
285,080,058
Factor Arrows
242,540,029
Factor Arrows
76,077,147
Factor Arrows
31196,037
Factor Arrows
434,559
Factor Arrows
4797

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, 7, 31, 43, 47, 97

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 31 x 43 x 47 x 97 = 340,320,232

This can also be written as 23 x 71 x 311 x 431 x 471 x 971 = 340,320,232

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


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