Q: What are the prime factors of the number 738,455,080?

 A: 2, 5, 11, 523, 3209

Why are those the prime factors of the number 738,455,080?

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 738,455,080

738,455,080
Factor Arrows
2369,227,540
Factor Arrows
2184,613,770
Factor Arrows
292,306,885
Factor Arrows
518,461,377
Factor Arrows
111,678,307
Factor Arrows
5233,209

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, 11, 523, 3209

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 11 x 523 x 3,209 = 738,455,080

This can also be written as 23 x 51 x 111 x 5231 x 3,2091 = 738,455,080

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


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