Q: What are the prime factors of the number 763,470?

 A: 2, 3, 5, 17, 499

Why are those the prime factors of the number 763,470?

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 763,470

763,470
Factor Arrows
2381,735
Factor Arrows
3127,245
Factor Arrows
342,415
Factor Arrows
58,483
Factor Arrows
17499

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, 3, 5, 17, 499

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 17 x 499 = 763,470

This can also be written as 21 x 32 x 51 x 171 x 4991 = 763,470

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


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