Q: What are the prime factors of the number 440,556,032?

 A: 2, 7, 83, 1481

Why are those the prime factors of the number 440,556,032?

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 440,556,032

440,556,032
Factor Arrows
2220,278,016
Factor Arrows
2110,139,008
Factor Arrows
255,069,504
Factor Arrows
227,534,752
Factor Arrows
213,767,376
Factor Arrows
26,883,688
Factor Arrows
23,441,844
Factor Arrows
21,720,922
Factor Arrows
2860,461
Factor Arrows
7122,923
Factor Arrows
831,481

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, 7, 83, 1481

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 2 x 2 x 7 x 83 x 1,481 = 440,556,032

This can also be written as 29 x 71 x 831 x 1,4811 = 440,556,032

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


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