Q: What are the prime factors of the number 434,155,302?

 A: 2, 3, 7, 349, 1097

Why are those the prime factors of the number 434,155,302?

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 434,155,302

434,155,302
Factor Arrows
2217,077,651
Factor Arrows
372,359,217
Factor Arrows
324,119,739
Factor Arrows
38,039,913
Factor Arrows
32,679,971
Factor Arrows
7382,853
Factor Arrows
3491,097

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, 7, 349, 1097

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 7 x 349 x 1,097 = 434,155,302

This can also be written as 21 x 34 x 71 x 3491 x 1,0971 = 434,155,302

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


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