Q: What are the prime factors of the number 743,217,525?

 A: 3, 5, 367021

Why are those the prime factors of the number 743,217,525?

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 743,217,525

743,217,525
Factor Arrows
3247,739,175
Factor Arrows
382,579,725
Factor Arrows
327,526,575
Factor Arrows
39,175,525
Factor Arrows
51,835,105
Factor Arrows
5367,021

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, 367021

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 5 x 5 x 367,021 = 743,217,525

This can also be written as 34 x 52 x 367,0211 = 743,217,525

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


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