Q: What are the prime factors of the number 434,243,136?

 A: 2, 3, 41, 55163

Why are those the prime factors of the number 434,243,136?

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 434,243,136

434,243,136
Factor Arrows
2217,121,568
Factor Arrows
2108,560,784
Factor Arrows
254,280,392
Factor Arrows
227,140,196
Factor Arrows
213,570,098
Factor Arrows
26,785,049
Factor Arrows
32,261,683
Factor Arrows
4155,163

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, 41, 55163

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 3 x 41 x 55,163 = 434,243,136

This can also be written as 26 x 31 x 411 x 55,1631 = 434,243,136

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


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