Q: What are the prime factors of the number 446,440,512?

 A: 2, 3, 7, 353, 941

Why are those the prime factors of the number 446,440,512?

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 446,440,512

446,440,512
Factor Arrows
2223,220,256
Factor Arrows
2111,610,128
Factor Arrows
255,805,064
Factor Arrows
227,902,532
Factor Arrows
213,951,266
Factor Arrows
26,975,633
Factor Arrows
32,325,211
Factor Arrows
7332,173
Factor Arrows
353941

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, 353, 941

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 3 x 7 x 353 x 941 = 446,440,512

This can also be written as 26 x 31 x 71 x 3531 x 9411 = 446,440,512

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


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