Q: What are the prime factors of the number 441,420,224?

 A: 2, 7, 140759

Why are those the prime factors of the number 441,420,224?

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 441,420,224

441,420,224
Factor Arrows
2220,710,112
Factor Arrows
2110,355,056
Factor Arrows
255,177,528
Factor Arrows
227,588,764
Factor Arrows
213,794,382
Factor Arrows
26,897,191
Factor Arrows
7985,313
Factor Arrows
7140,759

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, 140759

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 7 x 7 x 140,759 = 441,420,224

This can also be written as 26 x 72 x 140,7591 = 441,420,224

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


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