Q: What are the prime factors of the number 170,636,644?

 A: 2, 19, 151, 14869

Why are those the prime factors of the number 170,636,644?

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 170,636,644

170,636,644
Factor Arrows
285,318,322
Factor Arrows
242,659,161
Factor Arrows
192,245,219
Factor Arrows
15114,869

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, 19, 151, 14869

We can check our work by multiplying all of the prime factors together: 2 x 2 x 19 x 151 x 14,869 = 170,636,644

This can also be written as 22 x 191 x 1511 x 14,8691 = 170,636,644

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


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