Q: What are the prime factors of the number 773,434,550?

 A: 2, 5, 7, 17, 43, 3023

Why are those the prime factors of the number 773,434,550?

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 773,434,550

773,434,550
Factor Arrows
2386,717,275
Factor Arrows
577,343,455
Factor Arrows
515,468,691
Factor Arrows
72,209,813
Factor Arrows
17129,989
Factor Arrows
433,023

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, 7, 17, 43, 3023

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 7 x 17 x 43 x 3,023 = 773,434,550

This can also be written as 21 x 52 x 71 x 171 x 431 x 3,0231 = 773,434,550

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


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