Q: What are the prime factors of the number 773,573,775?

 A: 3, 5, 13, 103, 7703

Why are those the prime factors of the number 773,573,775?

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 773,573,775

773,573,775
Factor Arrows
3257,857,925
Factor Arrows
551,571,585
Factor Arrows
510,314,317
Factor Arrows
13793,409
Factor Arrows
1037,703

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, 103, 7703

We can check our work by multiplying all of the prime factors together: 3 x 5 x 5 x 13 x 103 x 7,703 = 773,573,775

This can also be written as 31 x 52 x 131 x 1031 x 7,7031 = 773,573,775

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


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