Q: What are the prime factors of the number 437,305,216?

 A: 2, 19, 179813

Why are those the prime factors of the number 437,305,216?

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 437,305,216

437,305,216
Factor Arrows
2218,652,608
Factor Arrows
2109,326,304
Factor Arrows
254,663,152
Factor Arrows
227,331,576
Factor Arrows
213,665,788
Factor Arrows
26,832,894
Factor Arrows
23,416,447
Factor Arrows
19179,813

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, 19, 179813

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 19 x 179,813 = 437,305,216

This can also be written as 27 x 191 x 179,8131 = 437,305,216

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


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