Q: What are the prime factors of the number 170,740,752?

 A: 2, 3, 7, 13, 39089

Why are those the prime factors of the number 170,740,752?

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 170,740,752

170,740,752
Factor Arrows
285,370,376
Factor Arrows
242,685,188
Factor Arrows
221,342,594
Factor Arrows
210,671,297
Factor Arrows
33,557,099
Factor Arrows
7508,157
Factor Arrows
1339,089

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, 7, 13, 39089

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 7 x 13 x 39,089 = 170,740,752

This can also be written as 24 x 31 x 71 x 131 x 39,0891 = 170,740,752

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


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