Q: What are the prime factors of the number 170,288,896?

 A: 2, 47, 14153

Why are those the prime factors of the number 170,288,896?

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 170,288,896

170,288,896
Factor Arrows
285,144,448
Factor Arrows
242,572,224
Factor Arrows
221,286,112
Factor Arrows
210,643,056
Factor Arrows
25,321,528
Factor Arrows
22,660,764
Factor Arrows
21,330,382
Factor Arrows
2665,191
Factor Arrows
4714,153

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, 47, 14153

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 47 x 14,153 = 170,288,896

This can also be written as 28 x 471 x 14,1531 = 170,288,896

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


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