Q: What are the prime factors of the number 654,367,401?

 A: 3, 73, 131, 7603

Why are those the prime factors of the number 654,367,401?

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 654,367,401

654,367,401
Factor Arrows
3218,122,467
Factor Arrows
372,707,489
Factor Arrows
73995,993
Factor Arrows
1317,603

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, 73, 131, 7603

We can check our work by multiplying all of the prime factors together: 3 x 3 x 73 x 131 x 7,603 = 654,367,401

This can also be written as 32 x 731 x 1311 x 7,6031 = 654,367,401

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


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