Q: What are the prime factors of the number 747,225,009?

 A: 3, 4651, 17851

Why are those the prime factors of the number 747,225,009?

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 747,225,009

747,225,009
Factor Arrows
3249,075,003
Factor Arrows
383,025,001
Factor Arrows
4,65117,851

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, 4651, 17851

We can check our work by multiplying all of the prime factors together: 3 x 3 x 4,651 x 17,851 = 747,225,009

This can also be written as 32 x 4,6511 x 17,8511 = 747,225,009

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


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