Q: What are the prime factors of the number 343,505,175?

 A: 3, 5, 13, 41, 661

Why are those the prime factors of the number 343,505,175?

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 343,505,175

343,505,175
Factor Arrows
3114,501,725
Factor Arrows
522,900,345
Factor Arrows
54,580,069
Factor Arrows
13352,313
Factor Arrows
1327,101
Factor Arrows
41661

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:

3, 5, 13, 41, 661

We can check our work by multiplying all of the prime factors together: 3 x 5 x 5 x 13 x 13 x 41 x 661 = 343,505,175

This can also be written as 31 x 52 x 132 x 411 x 6611 = 343,505,175

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


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