Q: What are the prime factors of the number 170,678,151?

 A: 3, 7, 37, 24407

Why are those the prime factors of the number 170,678,151?

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 170,678,151

170,678,151
Factor Arrows
356,892,717
Factor Arrows
318,964,239
Factor Arrows
36,321,413
Factor Arrows
7903,059
Factor Arrows
3724,407

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:

3, 7, 37, 24407

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 7 x 37 x 24,407 = 170,678,151

This can also be written as 33 x 71 x 371 x 24,4071 = 170,678,151

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


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