Q: What are the prime factors of the number 434,566,144?

 A: 2, 347, 1223

Why are those the prime factors of the number 434,566,144?

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 434,566,144

434,566,144
Factor Arrows
2217,283,072
Factor Arrows
2108,641,536
Factor Arrows
254,320,768
Factor Arrows
227,160,384
Factor Arrows
213,580,192
Factor Arrows
26,790,096
Factor Arrows
23,395,048
Factor Arrows
21,697,524
Factor Arrows
2848,762
Factor Arrows
2424,381
Factor Arrows
3471,223

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, 347, 1223

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 2 x 2 x 2 x 2 x 347 x 1,223 = 434,566,144

This can also be written as 210 x 3471 x 1,2231 = 434,566,144

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


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