Q: What are the prime factors of the number 653,550,303?

 A: 3, 7, 113, 193, 1427

Why are those the prime factors of the number 653,550,303?

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 653,550,303

653,550,303
Factor Arrows
3217,850,101
Factor Arrows
731,121,443
Factor Arrows
113275,411
Factor Arrows
1931,427

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, 113, 193, 1427

We can check our work by multiplying all of the prime factors together: 3 x 7 x 113 x 193 x 1,427 = 653,550,303

This can also be written as 31 x 71 x 1131 x 1931 x 1,4271 = 653,550,303

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


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