Q: What are the prime factors of the number 193,620,896?

 A: 2, 7, 864379

Why are those the prime factors of the number 193,620,896?

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 193,620,896

193,620,896
Factor Arrows
296,810,448
Factor Arrows
248,405,224
Factor Arrows
224,202,612
Factor Arrows
212,101,306
Factor Arrows
26,050,653
Factor Arrows
7864,379

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, 864379

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 7 x 864,379 = 193,620,896

This can also be written as 25 x 71 x 864,3791 = 193,620,896

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


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