Q: What are the prime factors of the number 361,253,347?

 A: 7, 13, 67, 193, 307

Why are those the prime factors of the number 361,253,347?

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 361,253,347

361,253,347
Factor Arrows
751,607,621
Factor Arrows
133,969,817
Factor Arrows
6759,251
Factor Arrows
193307

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:

7, 13, 67, 193, 307

We can check our work by multiplying all of the prime factors together: 7 x 13 x 67 x 193 x 307 = 361,253,347

This can also be written as 71 x 131 x 671 x 1931 x 3071 = 361,253,347

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


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