Q: What are the prime factors of the number 432,031,440?

 A: 2, 3, 5, 103, 17477

Why are those the prime factors of the number 432,031,440?

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 432,031,440

432,031,440
Factor Arrows
2216,015,720
Factor Arrows
2108,007,860
Factor Arrows
254,003,930
Factor Arrows
227,001,965
Factor Arrows
39,000,655
Factor Arrows
51,800,131
Factor Arrows
10317,477

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, 103, 17477

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 5 x 103 x 17,477 = 432,031,440

This can also be written as 24 x 31 x 51 x 1031 x 17,4771 = 432,031,440

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


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