Q: What are the prime factors of the number 343,132,530?

 A: 2, 3, 5, 13, 67679

Why are those the prime factors of the number 343,132,530?

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 343,132,530

343,132,530
Factor Arrows
2171,566,265
Factor Arrows
357,188,755
Factor Arrows
511,437,751
Factor Arrows
13879,827
Factor Arrows
1367,679

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, 5, 13, 67679

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 13 x 13 x 67,679 = 343,132,530

This can also be written as 21 x 31 x 51 x 132 x 67,6791 = 343,132,530

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


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