Q: What are the prime factors of the number 749,530?

 A: 2, 5, 17, 4409

Why are those the prime factors of the number 749,530?

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 749,530

749,530
Factor Arrows
2374,765
Factor Arrows
574,953
Factor Arrows
174,409

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:

2, 5, 17, 4409

We can check our work by multiplying all of the prime factors together: 2 x 5 x 17 x 4,409 = 749,530

This can also be written as 21 x 51 x 171 x 4,4091 = 749,530

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


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