Q: What are the prime factors of the number 345,603,363?

 A: 3, 7, 71, 193, 1201

Why are those the prime factors of the number 345,603,363?

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 345,603,363

345,603,363
Factor Arrows
3115,201,121
Factor Arrows
716,457,303
Factor Arrows
71231,793
Factor Arrows
1931,201

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, 7, 71, 193, 1201

We can check our work by multiplying all of the prime factors together: 3 x 7 x 71 x 193 x 1,201 = 345,603,363

This can also be written as 31 x 71 x 711 x 1931 x 1,2011 = 345,603,363

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


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