Q: What are the prime factors of the number 170,788,346?

 A: 2, 43, 1129, 1759

Why are those the prime factors of the number 170,788,346?

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 170,788,346

170,788,346
Factor Arrows
285,394,173
Factor Arrows
431,985,911
Factor Arrows
1,1291,759

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, 1129, 1759

We can check our work by multiplying all of the prime factors together: 2 x 43 x 1,129 x 1,759 = 170,788,346

This can also be written as 21 x 431 x 1,1291 x 1,7591 = 170,788,346

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


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