Q: What are the prime factors of the number 444,213,312?

 A: 2, 3, 19, 263, 463

Why are those the prime factors of the number 444,213,312?

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 444,213,312

444,213,312
Factor Arrows
2222,106,656
Factor Arrows
2111,053,328
Factor Arrows
255,526,664
Factor Arrows
227,763,332
Factor Arrows
213,881,666
Factor Arrows
26,940,833
Factor Arrows
32,313,611
Factor Arrows
19121,769
Factor Arrows
263463

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, 19, 263, 463

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 19 x 263 x 463 = 444,213,312

This can also be written as 26 x 31 x 191 x 2631 x 4631 = 444,213,312

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


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