Q: What are the prime factors of the number 17,228,560?

 A: 2, 5, 31, 6947

Why are those the prime factors of the number 17,228,560?

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 17,228,560

17,228,560
Factor Arrows
28,614,280
Factor Arrows
24,307,140
Factor Arrows
22,153,570
Factor Arrows
21,076,785
Factor Arrows
5215,357
Factor Arrows
316,947

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, 5, 31, 6947

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 31 x 6,947 = 17,228,560

This can also be written as 24 x 51 x 311 x 6,9471 = 17,228,560

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


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