Q: What are the prime factors of the number 17,420,848?

 A: 2, 43, 25321

Why are those the prime factors of the number 17,420,848?

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 17,420,848

17,420,848
Factor Arrows
28,710,424
Factor Arrows
24,355,212
Factor Arrows
22,177,606
Factor Arrows
21,088,803
Factor Arrows
4325,321

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, 43, 25321

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 43 x 25,321 = 17,420,848

This can also be written as 24 x 431 x 25,3211 = 17,420,848

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


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