Q: What are the prime factors of the number 17,643,756?

 A: 2, 3, 13, 17, 6653

Why are those the prime factors of the number 17,643,756?

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 17,643,756

17,643,756
Factor Arrows
28,821,878
Factor Arrows
24,410,939
Factor Arrows
31,470,313
Factor Arrows
13113,101
Factor Arrows
176,653

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, 13, 17, 6653

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 13 x 17 x 6,653 = 17,643,756

This can also be written as 22 x 31 x 131 x 171 x 6,6531 = 17,643,756

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


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