Q: What are the prime factors of the number 343,025,536?

 A: 2, 7, 311, 1231

Why are those the prime factors of the number 343,025,536?

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 343,025,536

343,025,536
Factor Arrows
2171,512,768
Factor Arrows
285,756,384
Factor Arrows
242,878,192
Factor Arrows
221,439,096
Factor Arrows
210,719,548
Factor Arrows
25,359,774
Factor Arrows
22,679,887
Factor Arrows
7382,841
Factor Arrows
3111,231

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, 311, 1231

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 7 x 311 x 1,231 = 343,025,536

This can also be written as 27 x 71 x 3111 x 1,2311 = 343,025,536

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


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