Q: What are the prime factors of the number 193,395,270?

 A: 2, 3, 5, 23, 241, 1163

Why are those the prime factors of the number 193,395,270?

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 193,395,270

193,395,270
Factor Arrows
296,697,635
Factor Arrows
332,232,545
Factor Arrows
56,446,509
Factor Arrows
23280,283
Factor Arrows
2411,163

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, 5, 23, 241, 1163

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 23 x 241 x 1,163 = 193,395,270

This can also be written as 21 x 31 x 51 x 231 x 2411 x 1,1631 = 193,395,270

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


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