Q: What are the prime factors of the number 17,571,800?

 A: 2, 5, 103, 853

Why are those the prime factors of the number 17,571,800?

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 17,571,800

17,571,800
Factor Arrows
28,785,900
Factor Arrows
24,392,950
Factor Arrows
22,196,475
Factor Arrows
5439,295
Factor Arrows
587,859
Factor Arrows
103853

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, 103, 853

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 5 x 103 x 853 = 17,571,800

This can also be written as 23 x 52 x 1031 x 8531 = 17,571,800

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


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