Q: What are the prime factors of the number 432,043,416?

 A: 2, 3, 7, 79, 3617

Why are those the prime factors of the number 432,043,416?

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 432,043,416

432,043,416
Factor Arrows
2216,021,708
Factor Arrows
2108,010,854
Factor Arrows
254,005,427
Factor Arrows
318,001,809
Factor Arrows
36,000,603
Factor Arrows
32,000,201
Factor Arrows
7285,743
Factor Arrows
793,617

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, 7, 79, 3617

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 7 x 79 x 3,617 = 432,043,416

This can also be written as 23 x 33 x 71 x 791 x 3,6171 = 432,043,416

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


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