Q: What are the prime factors of the number 194,122,464?

 A: 2, 3, 53, 38153

Why are those the prime factors of the number 194,122,464?

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 194,122,464

194,122,464
Factor Arrows
297,061,232
Factor Arrows
248,530,616
Factor Arrows
224,265,308
Factor Arrows
212,132,654
Factor Arrows
26,066,327
Factor Arrows
32,022,109
Factor Arrows
5338,153

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, 3, 53, 38153

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 53 x 38,153 = 194,122,464

This can also be written as 25 x 31 x 531 x 38,1531 = 194,122,464

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


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