Q: What are the prime factors of the number 743,603,511?

 A: 3, 7, 17, 41, 101, 503

Why are those the prime factors of the number 743,603,511?

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 743,603,511

743,603,511
Factor Arrows
3247,867,837
Factor Arrows
735,409,691
Factor Arrows
172,082,923
Factor Arrows
4150,803
Factor Arrows
101503

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, 17, 41, 101, 503

We can check our work by multiplying all of the prime factors together: 3 x 7 x 17 x 41 x 101 x 503 = 743,603,511

This can also be written as 31 x 71 x 171 x 411 x 1011 x 5031 = 743,603,511

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


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