Q: What are the prime factors of the number 743,074,024?

 A: 2, 7, 11, 389, 443

Why are those the prime factors of the number 743,074,024?

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 743,074,024

743,074,024
Factor Arrows
2371,537,012
Factor Arrows
2185,768,506
Factor Arrows
292,884,253
Factor Arrows
713,269,179
Factor Arrows
71,895,597
Factor Arrows
11172,327
Factor Arrows
389443

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, 7, 11, 389, 443

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 7 x 11 x 389 x 443 = 743,074,024

This can also be written as 23 x 72 x 111 x 3891 x 4431 = 743,074,024

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


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