Q: What are the prime factors of the number 434,145,204?

 A: 2, 3, 31, 47, 89

Why are those the prime factors of the number 434,145,204?

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 434,145,204

434,145,204
Factor Arrows
2217,072,602
Factor Arrows
2108,536,301
Factor Arrows
336,178,767
Factor Arrows
312,059,589
Factor Arrows
34,019,863
Factor Arrows
31129,673
Factor Arrows
314,183
Factor Arrows
4789

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, 31, 47, 89

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 31 x 31 x 47 x 89 = 434,145,204

This can also be written as 22 x 33 x 312 x 471 x 891 = 434,145,204

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


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