Q: What are the prime factors of the number 440,404,512?

 A: 2, 3, 199, 23053

Why are those the prime factors of the number 440,404,512?

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 440,404,512

440,404,512
Factor Arrows
2220,202,256
Factor Arrows
2110,101,128
Factor Arrows
255,050,564
Factor Arrows
227,525,282
Factor Arrows
213,762,641
Factor Arrows
34,587,547
Factor Arrows
19923,053

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, 199, 23053

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 199 x 23,053 = 440,404,512

This can also be written as 25 x 31 x 1991 x 23,0531 = 440,404,512

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


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