Q: What are the prime factors of the number 239,194,896?

 A: 2, 3, 17, 43, 401

Why are those the prime factors of the number 239,194,896?

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 239,194,896

239,194,896
Factor Arrows
2119,597,448
Factor Arrows
259,798,724
Factor Arrows
229,899,362
Factor Arrows
214,949,681
Factor Arrows
34,983,227
Factor Arrows
17293,131
Factor Arrows
1717,243
Factor Arrows
43401

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, 17, 43, 401

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 17 x 17 x 43 x 401 = 239,194,896

This can also be written as 24 x 31 x 172 x 431 x 4011 = 239,194,896

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


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