Q: What are the prime factors of the number 250,168,016?

 A: 2, 7, 31, 72053

Why are those the prime factors of the number 250,168,016?

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 250,168,016

250,168,016
Factor Arrows
2125,084,008
Factor Arrows
262,542,004
Factor Arrows
231,271,002
Factor Arrows
215,635,501
Factor Arrows
72,233,643
Factor Arrows
3172,053

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, 7, 31, 72053

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 31 x 72,053 = 250,168,016

This can also be written as 24 x 71 x 311 x 72,0531 = 250,168,016

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


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